At the A1 level, the word 'достоверность' is much too difficult to use actively. However, you can understand the basic idea by thinking about the word 'правда' (truth). When we learn Russian, we start with 'Это правда?' (Is it true?). 'Достоверность' is like a very professional way of saying 'Is this really true and can we prove it?'. You might see this word on the news or in a serious newspaper. Just remember that the root 'вер' is in 'вера' (faith) and 'верить' (to believe). So, it's about something you can believe in. For now, focus on simpler words like 'правда' (truth) and 'ложь' (lie), but keep 'достоверность' in the back of your mind as the 'adult' version of these concepts. If you see it, just think: 'Ah, they are talking about how reliable the information is.' You don't need to use it in your own sentences yet, but recognizing the 'вер' root will help you understand that it's related to trust.
At the A2 level, you are beginning to read more complex texts. You might encounter 'достоверность' in simple news articles or online reports. It is a feminine noun. You can remember it by its suffix '-ость', which is very common for abstract nouns in Russian (like 'радость' - joy, or 'важность' - importance). At this stage, you should know that it means 'reliability'. For example, if you read 'достоверность информации', it means 'the reliability of information'. You might not use it when talking to friends, but you will see it in formal letters or when reading about technology and news. It's a good word to know because it shows you are moving beyond basic vocabulary. Try to notice it when you read Russian websites. If a website has a section called 'Проверка фактов' (Fact-checking), they are checking for 'достоверность'.
At the B1 level, you should be able to recognize and understand 'достоверность' in most contexts. You are now moving into more intermediate topics like media, work, and society. In these areas, 'достоверность' is a key term. You should understand that it's not just 'truth', but 'proven truth'. For example, 'Я не уверен в достоверности этой новости' (I'm not sure about the reliability of this news). Notice that after 'в' (in), we use the prepositional case: 'достоверности'. You can start using this word in your writing to sound more formal. Instead of saying 'Эта информация правильная' (This information is correct), you could say 'Достоверность этой информации подтверждена' (The reliability of this information is confirmed). This makes your Russian sound much more professional and precise. You should also be aware of the adjective 'достоверный' (reliable/authentic), which is used more frequently in speech, such as 'достоверный источник' (a reliable source).
At the B2 level, you are expected to use 'достоверность' correctly in formal essays and discussions. You should understand the nuance between 'достоверность' (credibility/reliability) and 'подлинность' (authenticity of an object). For instance, you would use 'подлинность' for a passport or a painting, but 'достоверность' for a witness's testimony or a scientific result. You should be comfortable with common collocations like 'вызывать сомнения в достоверности' (to raise doubts about the reliability) or 'гарантировать достоверность' (to guarantee reliability). At this level, you might also encounter it in historical or legal contexts. When discussing 'fake news' (фейковые новости), you can use 'достоверность' to talk about the importance of verifying sources. Your grammar should be solid: 'достоверность' is feminine, so adjectives and verbs must agree (e.g., 'высокая достоверность', 'достоверность была доказана').
At the C1 level, 'достоверность' is a word you should use with nuance and precision. You understand its role in academic discourse, legal frameworks, and high-level journalism. You can distinguish between 'статистическая достоверность' (statistical significance) and 'историческая достоверность' (historical accuracy). You are able to use the word in complex sentence structures, such as 'Учитывая низкую достоверность представленных улик, суд принял решение отклонить иск' (Given the low reliability of the evidence presented, the court decided to dismiss the lawsuit). You also recognize the word's etymology and how it relates to other words in the 'вер' family, such as 'достоверный', 'недостоверный', and 'удостоверение' (ID/certificate). You should be able to discuss the philosophical implications of 'достоверность' in the digital age, including the challenges of deepfakes and misinformation. At this level, 'достоверность' is a tool for critical thinking in Russian.
At the C2 level, your mastery of 'достоверность' is near-native. You use it effortlessly in any register, though primarily in formal and academic ones. You can use it metaphorically or in highly specialized fields like philosophy of science or jurisprudence. You are aware of the subtle stylistic differences when choosing 'достоверность' over 'аутентичность' or 'прецизионность'. You can engage in deep debates about the 'достоверность' of historical narratives or the 'критерии достоверности' in qualitative research. You also understand how the word functions in classical Russian literature, where it might be used to discuss the 'truth of life' (жизненная достоверность) in a realist novel. Your command of the word allows you to use it in complex rhetorical devices, ensuring that your speech is not only grammatically perfect but also stylistically sophisticated and authoritative. You can effortlessly switch between 'достоверность' and its synonyms to avoid repetition while maintaining the exact shade of meaning required by the context.

достоверность en 30 segundos

  • A formal noun meaning reliability, credibility, or authenticity of information.
  • Essential for legal, academic, and journalistic contexts in Russian.
  • Derived from roots meaning 'worthy of belief' (досто- + верность).
  • Used with the genitive case to specify what is being verified.

The Russian word достоверность is a sophisticated noun that primarily translates to 'reliability,' 'authenticity,' 'credibility,' or 'trustworthiness.' At its core, it describes the quality of information, a document, or a statement that makes it worthy of belief. Unlike the simpler word 'правда' (truth), which refers to the factual state of affairs, достоверность focuses on the evidence-based nature of that truth. It suggests that something is not just true, but that its truth can be verified or proven through reliable sources or logical deduction. This word is a staple in formal Russian, appearing frequently in legal, scientific, journalistic, and academic contexts where the vetting of information is paramount.

Etymological Breakdown
The word is a compound of 'досто-' (derived from 'достойный' - worthy) and 'верность' (from 'вера' - faith/belief). Thus, it literally means 'worthiness of belief.' Understanding this helps learners see why it is used for high-stakes validation.
Journalistic Context
In the era of information warfare, you will hear news anchors discuss the 'достоверность информации' (reliability of information). It implies a rigorous fact-checking process has taken place.

Эксперты подтвердили достоверность предоставленных документов, что позволило закрыть дело.

Translation: Experts confirmed the authenticity of the provided documents, which allowed the case to be closed.

When using this word, you are signaling a high level of scrutiny. It is rarely used for trivial matters like 'Is it raining?' but rather for 'Is this historical record accurate?' or 'Is this witness statement credible?' In a digital age, достоверность is often paired with 'проверка' (verification), forming the phrase 'проверка достоверности' (fact-checking or verification of authenticity). This is crucial for anyone engaging with Russian media or academic texts.

У меня возникли сомнения в достоверности этих слухов.

Translation: I had doubts about the reliability of these rumors.
Scientific Precision
In statistics, researchers talk about the 'статистическая достоверность' (statistical significance/reliability) of their findings. It indicates that the results are not due to chance.

Culturally, Russians value 'достоверность' as a sign of professional integrity. If a person provides 'недостоверные сведения' (unreliable information), they risk their reputation significantly. This word carries the weight of authority. It is the bridge between a simple claim and a verified fact. Whether you are reading a contract or a history book, you are looking for that quality of being 'достоверный'.

Для историка крайне важна достоверность первоисточников.

Translation: For a historian, the authenticity of primary sources is extremely important.

Мы не можем гарантировать достоверность данных из интернета.

Translation: We cannot guarantee the reliability of data from the internet.
Legal Weight
In a court of law, the 'достоверность доказательств' (reliability of evidence) determines the outcome of a trial. It is a formal requirement for any piece of evidence to be admitted.

Эта фотография подтверждает достоверность его слов.

Translation: This photograph confirms the trustworthiness of his words.

Using достоверность requires an understanding of its grammatical behavior as a feminine noun ending in a soft sign (-ь). It typically functions as the subject or the object of a sentence, often followed by a noun in the genitive case to specify what is being verified. For example, 'достоверность (чего?) информации' (reliability of what? of information). This structural pattern is the most common way to use the word in formal writing.

Direct Object with Verbs of Verification
Common verbs that take 'достоверность' as an object include 'проверять' (to check), 'подтверждать' (to confirm), 'устанавливать' (to establish), and 'оспаривать' (to dispute). Example: 'Юристы оспаривают достоверность подписи' (Lawyers are disputing the authenticity of the signature).

Система автоматически проверяет достоверность введённых данных.

Translation: The system automatically checks the reliability of the entered data.

Another frequent construction involves the preposition 'в' (in) followed by the prepositional case. This is used with verbs like 'сомневаться' (to doubt) or 'убеждаться' (to make sure). For instance, 'Я сомневаюсь в достоверности этих слухов' (I doubt the reliability of these rumors). Note the ending '-и' for the prepositional case of feminine nouns in '-ь'.

Никто не может поставить под сомнение достоверность этого факта.

Translation: No one can cast doubt on the reliability of this fact.
Adjectival Modifiers
You can modify 'достоверность' with adjectives like 'полная' (full), 'абсолютная' (absolute), 'сомнительная' (doubtful), or 'научная' (scientific). Example: 'Полная достоверность отчёта была доказана' (The full reliability of the report was proven).

In a sentence, it often acts as the subject that 'вызывает' (causes) something. For example, 'Низкая достоверность источника вызывает опасения' (The low reliability of the source causes concerns). This shows how the word is used to drive the logic of a professional argument.

Для нас достоверность — это главный критерий отбора новостей.

Translation: For us, reliability is the main criterion for news selection.

Суд должен убедиться в достоверности показаний свидетеля.

Translation: The court must be convinced of the reliability of the witness's testimony.
Negative Forms
While 'недостоверность' exists, it is more common to say 'отсутствие достоверности' (lack of reliability) or 'сомнения в достоверности' (doubts about reliability) to sound more natural in high-level Russian.

Журналист обязан отвечать за достоверность своих публикаций.

Translation: A journalist is obliged to be responsible for the reliability of their publications.

You will encounter достоверность in places where information is critically analyzed. It is not a word for a casual chat over coffee, but rather for the boardroom, the courtroom, or the laboratory. If you watch Russian news channels like Channel One or Russia 24, or read newspapers like 'Kommersant' or 'Vedomosti', you will see it almost daily. It is the gold standard of professional reporting.

In the Media
News anchors often use the phrase 'информация из достоверных источников' (information from reliable sources). This is the Russian equivalent of 'sources close to the matter.' It lends authority to a report when the specific source cannot be named.

Пока мы не получили подтверждения, достоверность новости остаётся под вопросом.

Translation: Until we receive confirmation, the reliability of the news remains in question.

In the academic world, the word is ubiquitous. When a professor evaluates a student's thesis, they look for the 'достоверность результатов исследования' (reliability of the research results). This involves checking the methodology and the data sources. If you are a student in Russia, you will need to defend the достоверность of your work during your 'защита' (defense).

Критики спорят о достоверности мемуаров этого политика.

Translation: Critics argue about the authenticity of this politician's memoirs.
In Business and Law
Contracts often include clauses about the 'достоверность заверений и гарантий' (reliability of representations and warranties). If a company provides false information during a merger, they have violated the principle of 'достоверность'.

Even in the tech world, 'достоверность' is used in the context of 'data integrity.' Software developers might speak about ensuring the 'достоверность данных в базе' (reliability/integrity of data in the database). It is a versatile term that bridges the gap between human trust and technical accuracy.

Проверка на достоверность — обязательный этап любой научной работы.

Translation: Verification for authenticity is a mandatory stage of any scientific work.

Многие сомневаются в достоверности этой статистики.

Translation: Many doubt the reliability of this statistics.

Because достоверность is a high-level word, learners often struggle with its specific nuances and its grammatical requirements. The most common mistake is confusing it with related but distinct terms like 'правда' (truth) or 'точность' (accuracy). While they are related, they are not interchangeable in formal Russian.

Mistake 1: Confusing with 'Точность' (Accuracy)
'Точность' refers to precision (e.g., 'the accuracy of a clock'). 'Достоверность' refers to whether the information can be trusted as a whole. You can have a very precise lie, but it won't have 'достоверность'.

Неправильно: Мы проверили точность его истории. Правильно: Мы проверили достоверность его истории.

Explanation: You check the 'reliability/authenticity' of a story, not its 'precision' in the mathematical sense.

Another error is in case usage. After 'достоверность', you almost always need the genitive case. Some learners try to use 'о' (about) or other prepositions where they aren't needed. Use 'достоверность (чего?)' directly.

Ошибка: Достоверность об информации важна. Исправление: Достоверность информации важна.

Mistake 2: Overusing it in Informal Speech
If you are asking a friend if they are telling the truth, saying 'Какова достоверность твоих слов?' sounds incredibly robotic and sarcastic. Use 'Ты серьёзно?' or 'Это правда?' instead.

Finally, remember the gender. Since it ends in '-ость', it is feminine. This affects the adjectives and verbs that agree with it. 'Достоверность был' is a common gender error; it must be 'достоверность была'.

Ошибка: Его достоверность был подтверждён. Исправление: Её достоверность была подтверждена.

Explanation: 'Достоверность' is feminine, so adjectives like 'её' and verbs like 'была' must reflect that.

Мы должны гарантировать достоверность (не 'достоверность') источника.

Russian has several words that touch upon the concept of truth and reliability. Choosing the right one depends on the context—whether you are talking about a physical object, a person's character, or a piece of data.

Подлинность (Authenticity)
This is specifically used for objects, documents, or feelings. 'Подлинность картины' (the authenticity of a painting) means it's the original, not a fake. 'Достоверность' is more about the information within the object.
Надёжность (Reliability)
This is used for people or machines. A 'надёжный друг' is a reliable friend. While information can be 'надёжная', 'достоверная' is the more specific term for factual correctness.
Правдивость (Truthfulness)
This refers to the character of a person or a story. It suggests a moral quality—that the person is not lying. 'Достоверность' is more objective and evidence-based.

Сравнение:
1. Достоверность отчёта (The report is backed by facts).
2. Подлинность паспорта (The passport is not a forgery).

In academic writing, you might also see 'валидность' (validity), especially in psychology or social sciences. This is a direct loanword from English 'validity' and refers specifically to whether a test measures what it's supposed to measure. 'Достоверность' is broader.

Мы проверили достоверность цитаты, прежде чем её публиковать.

Translation: We checked the reliability of the quote before publishing it.
Истинность (Truthhood)
This is a logical or philosophical term. In mathematics or logic, you check the 'истинность' of a statement (True vs. False). 'Достоверность' is used when there's a degree of human verification involved.

When you're unsure, ask yourself: 'Am I talking about whether this can be trusted based on proof?' If yes, достоверность is your word. If you're talking about whether something is 'the real deal' (like a designer bag), go with подлинность.

Никто не сомневается в достоверности ваших слов, но нам нужны документы.

Translation: No one doubts the reliability of your words, but we need documents.

How Formal Is It?

Formal

""

Neutral

""

Informal

""

Child friendly

""

Jerga

""

Dato curioso

The root 'вер' is cognate with the Latin 'verus' (true), which gives us English words like 'verify' and 'veracity'. So, 'достоверность' and 'veracity' are distant linguistic cousins!

Guía de pronunciación

UK [dəstɐˈvʲernəsʲtʲ]
US [duh-stuh-VYEHR-nuhst-yuh]
On the third syllable: до-сто-ВЕР-ность.
Rima con
верность скверность уверенность соразмерность закономерность непреднамеренность чрезмерность высокомерность
Errores comunes
  • Pronouncing all 'o' sounds clearly (should be reduced).
  • Forgetting to soften the final 't'.
  • Stressing the wrong syllable (e.g., the first or last).
  • Missing the 'n' sound before '-ost'.
  • Hardening the 'v' sound.

Nivel de dificultad

Lectura 8/5

Common in news and books, but looks long and intimidating.

Escritura 9/5

Requires correct case endings and double 'н'.

Expresión oral 8/5

Difficult to pronounce quickly with correct reduction and soft 't'.

Escucha 7/5

Easily recognizable due to the 'вер' root.

Qué aprender después

Requisitos previos

вера правда факт информация проверять

Aprende después

подлинность обоснованность свидетельство удостоверять аргументация

Avanzado

верификация валидность аутентичность презумпция фальсификация

Gramática que debes saber

Feminine nouns ending in -ь

достоверность, радость, помощь (all feminine).

Genitive case for possession/specification

достоверность (чего?) информации.

Prepositional case after 'в' for mental states

убедиться в (чём?) достоверности.

Adjective agreement with feminine nouns

Полная достоверность.

Double 'н' in suffixes

достоверность (н + ость).

Ejemplos por nivel

1

Это достоверная информация?

Is this reliable information?

Using the adjective form 'достоверная' with a feminine noun 'информация'.

2

Я верю в достоверность этих слов.

I believe in the reliability of these words.

'В' + Prepositional case: достоверности.

3

Нам нужна достоверность.

We need reliability.

Accusative case for the object 'достоверность'.

4

Где достоверность?

Where is the reliability?

Simple nominative case.

5

Это не достоверность, это ложь.

This is not reliability, this is a lie.

Contrast between a high-level word and a simple word.

6

Достоверность — это важно.

Reliability is important.

Subject-predicate structure with a dash.

7

Я ищу достоверность.

I am looking for reliability.

Verb 'искать' + Accusative case.

8

Тут нет достоверности.

There is no reliability here.

Genitive case after 'нет'.

1

Проверьте достоверность данных.

Check the reliability of the data.

Imperative 'проверьте' + Accusative 'достоверность'.

2

Вы уверены в достоверности?

Are you sure about the reliability?

Prepositional case ending in '-и'.

3

Достоверность этого факта ясна.

The reliability of this fact is clear.

Genitive 'этого факта' follows 'достоверность'.

4

Мы ценим достоверность.

We value reliability.

Standard SVO structure.

5

Эта новость имеет высокую достоверность.

This news has high reliability.

Adjective agreement: 'высокую' (fem. acc.).

6

У нас есть сомнения в достоверности.

We have doubts about the reliability.

Plural noun 'сомнения' followed by 'в' + prepositional.

7

Достоверность — залог успеха.

Reliability is the key to success.

Common aphoristic structure.

8

Он подтвердил достоверность письма.

He confirmed the authenticity of the letter.

Past tense verb 'подтвердил'.

1

Журналисты часто спорят о достоверности источников.

Journalists often argue about the reliability of sources.

Preposition 'о' + Prepositional case.

2

Нельзя гарантировать стопроцентную достоверность.

One cannot guarantee 100% reliability.

Infinitve 'гарантировать' used with a modal 'нельзя'.

3

Достоверность информации — это наша главная цель.

The reliability of information is our main goal.

Noun phrase as the subject.

4

Я сомневаюсь в достоверности его слов.

I doubt the reliability of his words.

Verb 'сомневаться' always takes 'в' + prepositional.

5

Для суда важна достоверность доказательств.

The reliability of evidence is important for the court.

Dative 'суда' (for the court).

6

Этот документ не вызывает сомнений в достоверности.

This document does not raise doubts about its authenticity.

Negative construction 'не вызывает'.

7

Мы работаем над повышением достоверности данных.

We are working on increasing data reliability.

'Над' + Instrumental case: повышением.

8

Её достоверность была доказана экспертами.

Its reliability was proven by experts.

Passive construction with 'была доказана'.

1

В эпоху интернета достоверность информации становится критически важной.

In the internet age, the reliability of information becomes critically important.

Adverb 'критически' modifying 'важной'.

2

Система проверяет достоверность каждой транзакции.

The system checks the reliability of every transaction.

Genitive 'каждой транзакции' (of every transaction).

3

Историки ставят под вопрос достоверность этих мемуаров.

Historians are questioning the authenticity of these memoirs.

Idiom 'ставить под вопрос' (to question).

4

Нам нужно убедиться в достоверности подписи на контракте.

We need to ensure the authenticity of the signature on the contract.

Reflexive verb 'убедиться'.

5

Достоверность результатов эксперимента была подтверждена повторно.

The reliability of the experiment results was confirmed again.

Adverb 'повторно' (repeatedly/again).

6

Без достоверности любая теория теряет смысл.

Without reliability, any theory loses its meaning.

Preposition 'без' + Genitive.

7

Она всегда проверяет достоверность слухов, прежде чем верить им.

She always checks the reliability of rumors before believing them.

Conjunction 'прежде чем' (before).

8

Достоверность этого источника не подлежит сомнению.

The reliability of this source is beyond doubt.

Formal phrase 'не подлежит сомнению'.

1

Юридическая достоверность документа является обязательным условием сделки.

The legal authenticity of the document is a mandatory condition of the deal.

Adjective 'юридическая' (legal).

2

Степень достоверности прогноза зависит от качества входных данных.

The degree of forecast reliability depends on the quality of the input data.

Phrase 'степень достоверности' (degree of reliability).

3

Критики обсуждают художественную достоверность персонажей романа.

Critics are discussing the artistic authenticity of the novel's characters.

Term 'художественная достоверность' (verisimilitude).

4

Необходимо установить достоверность предоставленных сведений в кратчайшие сроки.

It is necessary to establish the reliability of the provided information as soon as possible.

Superlative 'в кратчайшие сроки'.

5

Статистическая достоверность выборки позволяет сделать общие выводы.

The statistical reliability of the sample allows for general conclusions.

Scientific term 'статистическая достоверность'.

6

Сомнения в достоверности свидетельских показаний привели к пересмотру дела.

Doubts about the reliability of witness testimony led to a case review.

Complex subject phrase.

7

Автор стремится к максимальной достоверности в описании исторических событий.

The author strives for maximum authenticity in describing historical events.

Verb 'стремиться к' + Dative.

8

Достоверность — это фундамент, на котором строится научное знание.

Reliability is the foundation on which scientific knowledge is built.

Metaphorical usage.

1

Эпистемологический статус достоверности остаётся предметом жарких дискуссий.

The epistemological status of credibility remains a subject of heated debate.

Highly academic terminology.

2

В условиях постправды сама категория достоверности подвергается деконструкции.

In the conditions of post-truth, the category of reliability itself undergoes deconstruction.

Philosophical context.

3

Верификация и фальсификация — два метода проверки достоверности гипотезы.

Verification and falsification are two methods of checking a hypothesis's reliability.

Scientific logic terminology.

4

Принцип достоверности требует исключения любых предвзятых суждений.

The principle of reliability requires the exclusion of any biased judgments.

Formal principle 'Принцип достоверности'.

5

Абсолютная достоверность в гуманитарных науках часто является недостижимым идеалом.

Absolute reliability in the humanities is often an unattainable ideal.

Abstract academic statement.

6

Мы должны различать субъективную убеждённость и объективную достоверность.

We must distinguish between subjective conviction and objective reliability.

Logical distinction.

7

Достоверность нарратива обеспечивается обилием мелких, но точных деталей.

The reliability of the narrative is ensured by an abundance of small but precise details.

Literary analysis term 'достоверность нарратива'.

8

Проблема достоверности в цифровой криминалистике требует новых подходов к шифрованию.

The problem of reliability in digital forensics requires new approaches to encryption.

Technical/legal specialty context.

Colocaciones comunes

проверять достоверность
вызывать сомнения в достоверности
достоверность информации
подтверждать достоверность
историческая достоверность
статистическая достоверность
гарантировать достоверность
юридическая достоверность
степень достоверности
критерии достоверности

Frases Comunes

из достоверных источников

— From reliable sources; used by journalists when they can't name names.

Стало известно из достоверных источников, что министр уходит.

с высокой долей достоверности

— With a high degree of reliability/probability.

Можно утверждать с высокой долей достоверности, что проект будет успешным.

не подлежит сомнению

— Is beyond doubt; used to emphasize that something is definitely reliable.

Достоверность его слов не подлежит сомнению.

под вопросом

— In question; used when reliability is doubted.

Достоверность этих данных пока под вопросом.

вызывать опасения

— To cause concerns; often used when reliability is low.

Низкая достоверность отчёта вызывает опасения у руководства.

в целях обеспечения достоверности

— In order to ensure reliability.

В целях обеспечения достоверности мы провели два теста.

отвечать за достоверность

— To be responsible for the reliability/accuracy.

Вы отвечаете за достоверность введённых цифр.

в интересах достоверности

— In the interest of reliability.

В интересах достоверности мы опросили ещё одного эксперта.

проверка на достоверность

— A check for reliability/authenticity.

Это письмо прошло проверку на достоверность.

сомневаться в достоверности

— To doubt the reliability.

Я начал сомневаться в достоверности его истории.

Se confunde a menudo con

достоверность vs точность

Accuracy/precision (numbers) vs. Trustworthiness (facts).

достоверность vs подлинность

Authenticity of an object vs. Reliability of information.

достоверность vs правдивость

Honesty of a person vs. Objective reliability of data.

Modismos y expresiones

"Принимать за чистую монету"

— To take something at face value, believing it without checking its reliability.

Не стоит принимать всё за чистую монету.

informal
"Ручаться головой"

— To guarantee something (like reliability) with one's life.

Я ручаюсь головой за достоверность этих данных.

informal/emotional
"Шито белыми нитками"

— Used for something that lacks credibility because its flaws are obvious.

Их ложь шита белыми нитками, никакой достоверности.

informal
"Доверять, но проверять"

— Trust, but verify; the ultimate motto of 'достоверность'.

Как говорится, доверяй, но проверяй достоверность.

neutral
"Брать на веру"

— To take on faith without requiring proof of reliability.

Учёные не могут просто брать гипотезы на веру.

neutral
"Вывести на чистую воду"

— To expose someone's lack of reliability or their lies.

Мы вывели его на чистую воду и доказали недостоверность его слов.

neutral
"Грош цена"

— Worthless; used for information that has zero reliability.

Грош цена такой достоверности.

informal
"Слышал звон, да не знает, где он"

— Heard a rumor but doesn't know the facts; implies zero reliability.

Твои слова — это 'слышал звон', в них нет достоверности.

informal
"Зуб даю"

— I swear; used to vouch for the reliability of one's words.

Зуб даю, это достоверная инфа!

slang
"Филькина грамота"

— A worthless document with no legal reliability or authenticity.

Этот контракт — просто филькина грамота.

informal/historical

Fácil de confundir

достоверность vs истинность

Both mean 'truth'.

Истинность is binary (True/False) in logic; достоверность is about evidence and trust.

Проверить истинность высказывания vs. Проверить достоверность источника.

достоверность vs надёжность

Both mean 'reliability'.

Надёжность is for people/machines (will they fail?); достоверность is for info (is it true?).

Надёжность моста vs. Достоверность факта.

достоверность vs валидность

Technical terms for correctness.

Валидность is specifically for scientific tests/methods; достоверность is broader.

Валидность теста vs. Достоверность результатов.

достоверность vs аутентичность

Both mean 'real'.

Аутентичность is often used for culture/identity; достоверность for facts.

Аутентичность кухни vs. Достоверность документа.

достоверность vs верность

Same root.

Верность is loyalty or correctness in a simpler sense.

Верность жене vs. Достоверность информации.

Patrones de oraciones

A2

Это [достоверная] информация.

Это достоверная новость.

B1

Я сомневаюсь в [достоверности] [чего-то].

Я сомневаюсь в достоверности этих данных.

B2

[Достоверность] [чего-то] была подтверждена.

Достоверность отчёта была подтверждена аудитом.

C1

Степень [достоверности] зависит от [чего-то].

Степень достоверности прогноза зависит от погоды.

C1

Ставить под сомнение [достоверность] [чего-то].

Он поставил под сомнение достоверность эксперимента.

C2

В интересах [достоверности] необходимо [сделать что-то].

В интересах достоверности необходимо провести повторный анализ.

C2

[Достоверность] является фундаментальным принципом [чего-то].

Достоверность является фундаментальным принципом правосудия.

B2

Отвечать за [достоверность] [чего-то].

Вы отвечаете за достоверность этой статьи.

Familia de palabras

Sustantivos

Verbos

Adjetivos

Relacionado

Cómo usarlo

frequency

Common in professional and academic writing; rare in casual slang.

Errores comunes
  • Достоверность о результатах Достоверность результатов

    Don't use 'о' (about). Use the genitive case directly after the noun.

  • Этот достоверность Эта достоверность

    The word is feminine, so use 'эта' not 'этот'.

  • Проверить точность истории Проверить достоверность истории

    Stories have 'reliability', not mathematical 'precision'.

  • Достоверность был подтверждён Достоверность была подтверждена

    The verb must agree with the feminine gender of the noun.

  • Достоверность друга Надёжность друга

    Use 'надёжность' for people's character, not 'достоверность'.

Consejos

Gender Check

Always remember that 'достоверность' is feminine. Your adjectives must end in -ая/-яя (e.g., полная достоверность).

Root Recognition

Look for the root 'вер' (faith/truth). It will help you remember that this word is about believing something.

Formal Writing

Use this word in business emails when you need to ask if a report is accurate. It sounds very professional.

Stress Position

The stress is on 'ВЕР'. Practice saying: do-sto-VYEHR-nost'.

News Sources

When you hear 'из достоверных источников', it's a classic phrase for 'reliable sources'.

Common Pair

Always think of 'достоверность информации' as a single block of meaning.

Mnemonic

Associate 'Достоверность' with 'Document'. Documents prove reliability.

Double N

Don't forget the double 'н' (нн) in the middle/end of the word family forms.

Context Clues

If you hear 'суд' (court) or 'эксперт', 'достоверность' is likely to follow.

Soft Sign

Work on the soft 't' at the end. It's the mark of a high-level speaker.

Memorízalo

Mnemotecnia

Think of 'DO-STO-VER-NOST'. 'DO' (reach) 'STO' (a hundred) 'VER' (truths). If you reach a hundred truths, you have reliability!

Asociación visual

Imagine a scientist looking at a document through a magnifying glass that has a big green checkmark on it. The checkmark represents 'достоверность'.

Word Web

вера достоверный информация факт проверка суд наука подлинность

Desafío

Try to find one news article in Russian today and look for the word 'достоверность' or its adjective 'достоверный'. Write down the sentence it appears in.

Origen de la palabra

From Old Church Slavonic. It is a compound of 'досто-' (derived from 'достойный' meaning worthy) and 'верность' (meaning truth or faith).

Significado original: Worthiness of being believed or trusted.

Slavic (Indo-European).

Contexto cultural

Be careful when questioning someone's 'достоверность' directly; it can imply they are lying or incompetent.

In English, we might use 'reliability', 'authenticity', or 'validity' depending on the field. Russian uses 'достоверность' for all of these in a formal context.

Used in legal codes of the Russian Federation. Commonly discussed in the works of Russian media critics like Vladimir Pozner. A key term in Russian historiography regarding the 'Tale of Bygone Years'.

Practica en la vida real

Contextos reales

Journalism

  • проверка фактов
  • достоверный источник
  • опровержение
  • сенсация

Law

  • улики
  • показания свидетелей
  • судебная экспертиза
  • подлинность подписи

Science

  • результаты исследования
  • погрешность
  • воспроизводимость
  • методология

Business

  • финансовый отчёт
  • аудит
  • заверение
  • контракт

History

  • первоисточник
  • архивные данные
  • летопись
  • реконструкция

Inicios de conversación

"Как вы проверяете достоверность новостей в интернете?"

"Важна ли для вас историческая достоверность в кино?"

"Можем ли мы доверять достоверности этой статистики?"

"Что для вас является главным критерием достоверности человека?"

"Как технологии влияют на достоверность информации сегодня?"

Temas para diario

Опишите случай, когда вы усомнились в достоверности информации, которую услышали от друга.

Напишите эссе о том, почему достоверность важна для современного общества.

Представьте, что вы историк. Как бы вы доказывали достоверность найденного документа?

Размышляйте о том, как социальные сети меняют наше восприятие достоверности.

Напишите отзыв на фильм, оценивая его художественную и фактическую достоверность.

Preguntas frecuentes

10 preguntas

It is feminine because it ends in '-ость'. This is a rule for almost all abstract nouns with this suffix in Russian.

No, for a person you should use 'надёжность' (reliability) or 'честность' (honesty). 'Достоверность' is for what they say or for documents.

The most common verbs are 'проверять' (to check) and 'подтверждать' (to confirm).

You can say 'отсутствие достоверности' (lack of reliability) or 'недостоверная информация' (unreliable information).

Only if you are discussing something serious like the news or a work project. In casual talk, it sounds too formal.

The genitive case (кого? чего?). For example: 'достоверность данных'.

Technically 'достоверности' exists, but it is almost never used. It is an uncountable abstract noun.

Press your tongue against the back of your upper teeth and release a small puff of air, making the 't' sound 'thin' and 'hissing'.

'Достоверный' means backed by evidence; 'правдивый' means the person intends to tell the truth.

Yes, it is a very important word for scientific Russian, especially when discussing data and results.

Ponte a prueba 200 preguntas

writing

Write a sentence in Russian using 'достоверность' and 'информация'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'I doubt the reliability of these facts.'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a formal request to check the authenticity of a document.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Explain the difference between 'правда' and 'достоверность' in Russian.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence about 'fake news' using the word 'достоверность'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'We cannot guarantee the reliability of the source.'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Use 'достоверность' in a sentence about science.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence using 'сомневаться' and 'достоверность'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'The reliability of the witness was questioned.'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence with 'высокая степень достоверности'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'Reliable sources report that...'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence about historical accuracy in a movie.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'Check the data for reliability.'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Use the negative form 'недостоверность' in a sentence.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence about the importance of 'достоверность' in journalism.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'The authenticity of the signature is clear.'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence with 'критерии достоверности'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'He is responsible for the reliability of the data.'

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Write a sentence about 'statistical reliability'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
writing

Translate: 'Beyond doubt'.

Well written! Good try! Check the sample answer below.

¡Correcto! No del todo. Respuesta correcta:
speaking

Pronounce 'достоверность' slowly.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Use 'достоверность' in a sentence about your favorite news site.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Tell a friend that you doubt some rumors using 'достоверность'.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Ask a colleague to check the data for reliability.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say 'reliable sources' in Russian.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

State that reliability is important for you.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Pronounce the adjective 'достоверный'.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Ask: 'Is this information reliable?'

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say: 'I can't guarantee the reliability.'

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Practice saying 'статистическая достоверность'.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say: 'The court confirmed the reliability.'

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Explain 'достоверность' in simple Russian.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Use 'степень достоверности' in a sentence.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say: 'I trust this source.' (using adjective)

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Ask about the authenticity of a signature.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say: 'Reliability is the foundation of science.'

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Express doubt about a story.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say: 'We need to establish the reliability.'

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Pronounce 'недостоверность'.

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
speaking

Say: 'According to reliable data...'

Read this aloud:

¡Correcto! No del todo. Respuesta correcta:
listening

Listen to the word: 'достоверность'. Which syllable is stressed?

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Identify the word in this sentence: 'Нам нужно проверить достоверность фактов.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Does the speaker say 'правда' or 'достоверность'?

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Is the speaker talking about news or weather? 'Достоверность новости под вопросом.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Listen for the adjective: 'Это достоверный источник.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Is the speaker certain or doubting? 'Я сомневаюсь в достоверности.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

What is being checked? 'Проверим достоверность подписи.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

How many words are in 'высокая степень достоверности'?

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Is the tone formal or informal? 'Просим подтвердить достоверность данных.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Which root do you hear: 'вер' or 'вод'?

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Is the word feminine or masculine based on the adjective 'полная'?

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Listen for the negative prefix: 'недостоверность'.

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

What is the ending sound of the word?

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Identify the case: 'в достоверности'.

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:
listening

Is the word 'достоверность' used as a subject or object? 'Достоверность важна.'

¡Correcto! No del todo. Respuesta correcta:
¡Correcto! No del todo. Respuesta correcta:

/ 200 correct

Perfect score!

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