At the A1 level, 'опасен' is a vital safety word. Learners should focus on recognizing the word on signs and using it in very simple sentences to describe physical danger. You will mostly use it with common nouns like 'път' (road) or 'куче' (dog). The goal is to understand that 'опасно' means 'don't touch' or 'be careful'. You should learn the basic masculine, feminine, and neuter forms (опасен, опасна, опасно) and be able to say 'Това е опасно' (This is dangerous).
At the A2 level, you begin to use 'опасен' to describe people and more varied situations. You can start forming sentences like 'Той е опасен човек' (He is a dangerous person) or 'Този град е опасен през нощта' (This city is dangerous at night). You should also be comfortable with the plural form 'опасни'. You'll start to see the word in simple news headlines and weather reports. You should also understand the difference between the adjective and the basic adverbial use in simple commands.
At the B1 level, you should be able to use 'опасен' in more abstract contexts. You might discuss 'опасни идеи' (dangerous ideas) or 'опасни политически ситуации' (dangerous political situations). You should master the definite article forms (опасният, опасния, опасната, опасното, опасните) and use them correctly in narrative writing. You can also start comparing 'опасен' with synonyms like 'рискован' and 'вреден', choosing the most appropriate word for the context of your conversation or essay.
At the B2 level, your usage of 'опасен' should be nuanced. You can use it to describe complex societal risks or psychological states. You should be familiar with common idioms and fixed expressions involving the word. You can articulate why something is dangerous using complex sentence structures, such as 'Въпреки че изглежда безобидно, това вещество е изключително опасно при вдишване' (Although it looks harmless, this substance is extremely dangerous when inhaled). You should also recognize its use in literature and formal media.
At the C1 level, you use 'опасен' with precision and style. You can distinguish between the literal and highly figurative uses of the word. You might use it to critique a complex legal precedent or a subtle shift in social norms. You are comfortable with related academic terms and can use 'опасност' (danger) in formal arguments. You understand the historical etymology and how the word's meaning has evolved or how it compares to similar words in other Slavic languages. Your usage reflects a deep cultural understanding of what Bulgarians consider 'dangerous'.
At the C2 level, 'опасен' is just one tool in a vast arsenal of descriptive terms. You can use it ironically, metaphorically, or in highly specialized professional contexts (e.g., law, medicine, or philosophy) without hesitation. You can appreciate and produce wordplay involving 'опасен'. You understand the subtle register shifts when using the word in slang versus high literature. You can discuss the philosophical concept of 'the dangerous' in a sophisticated manner, using the word and its derivatives with native-level fluency and accuracy.

опасен in 30 Seconds

  • Опасен means 'dangerous' and is used for physical and abstract risks.
  • It must agree in gender and number: опасен (m), опасна (f), опасно (n), опасни (pl).
  • It is a core A1 vocabulary word essential for safety and warnings.
  • Commonly seen on signs like 'Опасно за живота!' (Dangerous to life).

The Bulgarian word опасен (opasen) is a fundamental adjective that translates directly to the English word dangerous. At its core, it describes anything that carries a risk of harm, injury, loss, or negative consequences. In the Bulgarian language, this word is used across a vast spectrum of contexts, ranging from immediate physical threats to complex abstract risks. Understanding its nuances is crucial for any learner because it is one of the most common warnings you will encounter in public spaces, nature, and social interactions.

Physical Safety
The most literal use of 'опасен' refers to physical hazards. This includes dangerous roads (опасен път), wild animals (опасно животно), or hazardous chemicals. When you see a sign in Bulgaria with this word, it is an immediate call for caution. It suggests that the environment or object in question could cause bodily harm if not handled with care.

Този район е много опасен през нощта, затова бъди внимателен.

Translation: This area is very dangerous at night, so be careful.
Character and Personality
When applied to people, 'опасен' can have a dual meaning. Primarily, it describes someone who is a threat to others—a criminal or someone with violent tendencies. However, in a more colloquial or even admiring sense, it can describe someone who is exceptionally clever, cunning, or unpredictable in a way that makes them a formidable opponent or a 'wild card'.

In abstract discussions, 'опасен' is used to describe ideas, precedents, or decisions that might lead to failure or societal harm. For example, an 'опасна идея' (dangerous idea) might be one that challenges the status quo in a risky way. The word is ubiquitous in news reporting, where it describes everything from 'опасни метеорологични условия' (dangerous weather conditions) to 'опасни политически игри' (dangerous political games). It is a high-utility word that allows you to express caution and evaluate risk in nearly every facet of life in Bulgaria.

Това е един опасен прецедент за нашата съдебна система.

Translation: This is a dangerous precedent for our judicial system.
Health and Medicine
In a medical context, a disease or a symptom can be described as 'опасно'. For instance, 'опасен вирус' (dangerous virus) or 'опасно състояние' (dangerous condition). It signifies that medical intervention is likely necessary and the outcome could be grave if ignored.

Внимавай с този нож, той е изключително опасен.

Шофирането в мъгла е опасно занимание.

Using the word опасен correctly requires an understanding of Bulgarian adjective morphology. Unlike English, where 'dangerous' remains unchanged regardless of the noun, Bulgarian adjectives must match the gender (masculine, feminine, or neuter) and number (singular or plural) of the noun they describe. This is the primary hurdle for English speakers, but once mastered, it allows for very precise descriptions.

Masculine Singular: Опасен
Used with masculine nouns like 'път' (road), 'човек' (person), or 'предмет' (object). Example: 'Този път е опасен' (This road is dangerous).
Feminine Singular: Опасна
Used with feminine nouns like 'ситуация' (situation), 'змия' (snake), or 'идея' (idea). Example: 'Ситуацията е опасна' (The situation is dangerous).
Neuter Singular: Опасно
Used with neuter nouns like 'животно' (animal) or 'място' (place). Also used adverbially or in impersonal constructions. Example: 'Това място е опасно' (This place is dangerous).
Plural (All Genders): Опасни
Used for all plural nouns. Example: 'Опасни завои' (Dangerous curves).

Тези химикали са много опасни за здравето.

Translation: These chemicals are very dangerous to health.

Sentence structure typically follows the Subject-Verb-Adjective order, but Bulgarian's flexible word order allows the adjective to come before the noun for emphasis or in specific descriptive phrases. For example, 'Опасният път' (The dangerous road) uses the definite article version of the adjective. Understanding when to use 'опасният' (full article), 'опасния' (short article), 'опасната', 'опасното', and 'опасните' is a key part of progressing to B1 level.

Не прави това, твърде опасно е!

Translation: Don't do that, it's too dangerous!

Тя се забърка в една опасна игра.

In Bulgaria, you will encounter the word опасен in several high-frequency environments. From the moment you step off a plane or cross a border, the language of safety and risk becomes prominent. Here are the primary domains where 'опасен' is used most frequently.

Public Signs and Warnings
Construction sites, electrical substations, and natural landmarks often feature signs. You will see 'Внимание! Опасно за живота!' (Attention! Dangerous for life/Lethal danger!) on high-voltage equipment. On mountain trails, you might see 'Опасен участък' (Dangerous section), warning of steep drops or loose rocks.

Внимание! Опасно за живота! Високо напрежение!

Translation: Warning! Dangerous to life! High voltage!
News and Media
The evening news frequently uses 'опасен' when reporting on weather (опасни бури), crime (опасен престъпник), or international relations. It is a staple of journalistic language used to convey urgency and the gravity of a situation.

Полицията издирва опасен беглец в района на София.

Translation: Police are searching for a dangerous fugitive in the Sofia area.

In daily conversation, parents often use it with children ('Не пипай това, опасно е!'), and drivers use it to describe road conditions ('Пътят през прохода е много опасен заради леда'). It also appears in the workplace, particularly in industrial or technical sectors where safety protocols are discussed. Finally, you'll hear it in movies and TV shows, often in the context of thrillers or dramas where characters face life-threatening situations.

Това е най- опасният завой на цялото състезание.

Бъдете внимателни, в гората има опасни животни.

For English speakers, the most common mistakes when using опасен stem from the lack of grammatical gender in English. In English, 'dangerous' is static. In Bulgarian, it is dynamic. Failing to match the adjective to the noun is the hallmark of a beginner's mistake. However, there are also semantic nuances that can trip up even intermediate learners.

Mistake 1: Incorrect Gender Agreement
Saying 'опасен ситуация' instead of 'опасна ситуация'. Because 'ситуация' ends in '-я', it is feminine, and the adjective must follow suit. Always look at the ending of the noun before choosing your adjective form.

Грешно: Този път е опасна.

Правилно: Този път е опасен.

Mistake 2: Confusing 'Опасен' with 'Страшен'
While 'страшен' means 'scary' or 'frightening', 'опасен' means 'dangerous'. A movie might be 'страшен' (scary) but it isn't 'опасен' (dangerous) unless watching it causes physical harm. Conversely, a silent poison is 'опасен' but not necessarily 'страшен' until you know it's there.

Another mistake is the misuse of the definite article. In Bulgarian, if you are talking about 'the' dangerous man, you must say 'опасният човек' (subject) or 'опасния човек' (object). English speakers often forget to add the article to the adjective itself, which is a unique feature of Bulgarian grammar compared to other Slavic languages. Lastly, avoid overusing 'опасен' for mild inconveniences; Bulgarians tend to reserve it for genuine risks. For something merely 'difficult', use 'труден'.

Грешно: Тя е много опасен жена.

Правилно: Тя е много опасна жена.

Не бъркайте опасно (adverb) с опасно (neuter adjective).

While опасен is the most general term for 'dangerous', Bulgarian offers a rich palette of synonyms that can provide more specific meaning depending on the situation. Choosing the right alternative can make your Bulgarian sound more natural and sophisticated.

Рискован (Riskovan) - Risky
Use this when the danger is more about uncertainty or the chance of failure rather than physical harm. For example, 'рискована инвестиция' (a risky investment).
Застрашаващ (Zastrashavasht) - Threatening
This is often used for something that actively poses a threat to life or stability. 'Животозастрашаващ' means life-threatening.
Гибелен (Gibelen) - Fatal/Perilous
A more poetic or dramatic word, often used to describe something that leads to destruction or death. 'Гибелна грешка' (a fatal mistake).
Вреден (Vreden) - Harmful
While 'опасен' implies a risk of acute harm, 'вреден' is used for things that are generally bad for you over time, like smoking or a toxic environment.

Това е една рискована стратегия, но може да проработи.

Translation: This is a risky strategy, but it might work.

When comparing 'опасен' to 'несигурен' (insecure/uncertain), the former implies a much higher degree of potential damage. You might say a bridge is 'несигурен' if it wobbles, but you call it 'опасен' if it is about to collapse. In formal writing, you might prefer 'критичен' (critical) to describe a dangerous situation in a more technical way. Understanding these shades of meaning allows you to move from basic communication to nuanced expression in Bulgarian.

Пушенето е вредно, но работата с тези машини е опасна.

Той направи една гибелна крачка към пропастта.

How Formal Is It?

Formal

""

Neutral

""

Informal

""

Child friendly

""

Slang

""

Fun Fact

The root is the same as in 'пастир' (pastir - shepherd), because a shepherd's job is to guard the flock from danger. So, 'dangerous' and 'shepherd' share a linguistic ancestor centered around the concept of guarding.

Pronunciation Guide

UK /oˈpasɛn/
US /oʊˈpɑːsɛn/
The stress falls on the second syllable: o-PAs-en.
Rhymes With
прекрасен (prekrasen - wonderful) съгласен (saglasen - agreeing) ясен (yasen - clear) ужасен (uzhasen - terrible) безопасен (bezopasen - safe) гласен (glasen - vocal/vowel) класен (klasen - class-related) пасен (pasen - pastured)
Common Errors
  • Stressing the first syllable (O-pas-en).
  • Pronouncing the 's' as a 'z' (opazen).
  • Failing to reduce the 'o' slightly in rapid speech.
  • Pronouncing the final 'n' too softly.
  • Confusing the stress when adding endings (e.g., o-PAS-na vs. O-pas-na).

Difficulty Rating

Reading 1/5

Very easy to recognize on signs and in text due to its distinct shape.

Writing 3/5

Requires attention to gender agreement and definite article endings.

Speaking 2/5

Simple pronunciation, but remember the stress on the second syllable.

Listening 2/5

Clearly audible in speech, often emphasized in warnings.

What to Learn Next

Prerequisites

внимание път куче човек не

Learn Next

рискован безопасен опасност внимателен страшен

Advanced

животозастрашаващ прецедент експлозивен пагубен гибелен

Grammar to Know

Adjective Gender Agreement

Опасен (m), Опасна (f), Опасно (n)

Adjective Number Agreement

Опасен (sg) -> Опасни (pl)

Definite Articles for Adjectives

Опасният път (The dangerous road)

Adverb Formation from Adjectives

Опасен -> Опасно (dangerously)

Comparative and Superlative

По-опасен (more dangerous), Най-опасен (most dangerous)

Examples by Level

1

Това е опасно.

This is dangerous.

Neuter singular form used with 'това'.

2

Този път е опасен.

This road is dangerous.

Masculine singular form matching 'път'.

3

Тя е опасна.

She is dangerous.

Feminine singular form.

4

Опасни кучета!

Dangerous dogs!

Plural form.

5

Не пипай, опасно е!

Don't touch, it's dangerous!

Impersonal use of the neuter form.

6

Опасна ли е змията?

Is the snake dangerous?

Feminine form matching 'змия'.

7

Това е опасна игра.

This is a dangerous game.

Feminine form matching 'игра'.

8

Внимавай, мястото е опасно.

Be careful, the place is dangerous.

Neuter form matching 'място'.

1

Той е опасен престъпник.

He is a dangerous criminal.

Masculine adjective-noun pair.

2

Плуването тук е опасно.

Swimming here is dangerous.

Neuter form used with the verbal noun 'плуване'.

3

Тези планини са опасни през зимата.

These mountains are dangerous in winter.

Plural adjective with plural noun 'планини'.

4

Има ли опасни животни в гората?

Are there dangerous animals in the forest?

Plural form.

5

Работата му е опасна.

His job is dangerous.

Feminine form matching 'работа'.

6

Това лекарство е опасно за деца.

This medicine is dangerous for children.

Neuter form matching 'лекарство'.

7

Не карай толкова опасно!

Don't drive so dangerously!

Adverbial use of 'опасно'.

8

Това е опасен район на града.

This is a dangerous area of the city.

Masculine form matching 'район'.

1

Опасният престъпник беше заловен вчера.

The dangerous criminal was caught yesterday.

Masculine singular with full definite article.

2

Трябва да избягваме опасните ситуации.

We must avoid dangerous situations.

Plural with definite article.

3

Тази идея може да бъде много опасна.

This idea can be very dangerous.

Feminine singular form.

4

Опасното време наложи отлагане на полета.

The dangerous weather forced a flight delay.

Neuter singular with definite article.

5

Шофирането след употреба на алкохол е изключително опасно.

Driving after consuming alcohol is extremely dangerous.

Neuter form with verbal noun.

6

Той се забърка в опасни политически игри.

He got involved in dangerous political games.

Plural form.

7

Внимавайте с опасната зона около строежа.

Be careful with the dangerous zone around the construction site.

Feminine singular with definite article.

8

Тези химикали са опасни за околната среда.

These chemicals are dangerous for the environment.

Plural form.

1

Разпространението на фалшиви новини е опасно за демокрацията.

The spread of fake news is dangerous for democracy.

Neuter form matching 'разпространение'.

2

Това е опасен прецедент, който не бива да се повтаря.

This is a dangerous precedent that should not be repeated.

Masculine form matching 'прецедент'.

3

Изкачването на върха стана опасно поради силния вятър.

The ascent to the peak became dangerous due to the strong wind.

Neuter form matching 'изкачване'.

4

Тя има опасен чар, на който никой не може да устои.

She has a dangerous charm that no one can resist.

Masculine form matching 'чар'.

5

Опасните отпадъци трябва да се съхраняват правилно.

Dangerous waste must be stored correctly.

Plural with definite article.

6

Ситуацията на границата остава опасна и нестабилна.

The situation at the border remains dangerous and unstable.

Feminine form.

7

Той е опасен противник на шахматната дъска.

He is a dangerous opponent on the chessboard.

Masculine form.

8

Не подценявайте опасната сила на природата.

Do not underestimate the dangerous power of nature.

Feminine with definite article.

1

Интелектуалната изолация е опасна за всяко общество.

Intellectual isolation is dangerous for any society.

Feminine form matching 'изолация'.

2

Той борави с опасни метафори в своята поезия.

He deals with dangerous metaphors in his poetry.

Plural form.

3

Опасното при тези промени е тяхната необратимост.

The dangerous thing about these changes is their irreversibility.

Neuter definite article used as a noun phrase.

4

В политиката мълчанието често е по-опасно от думите.

In politics, silence is often more dangerous than words.

Comparative form 'по-опасно'.

5

Това е опасна симбиоза между бизнеса и държавата.

This is a dangerous symbiosis between business and the state.

Feminine form.

6

Изкуственият интелект крие опасни рискове за пазара на труда.

Artificial intelligence hides dangerous risks for the labor market.

Plural form.

7

Тя се движи по опасен ръб между гениалността и лудостта.

She moves along a dangerous edge between genius and madness.

Masculine form matching 'ръб'.

8

Опасните последици от това решение тепърва ще се усетят.

The dangerous consequences of this decision are yet to be felt.

Plural with definite article.

1

Философски погледнато, всяко знание е потенциално опасно.

Philosophically speaking, all knowledge is potentially dangerous.

Neuter form matching 'знание'.

2

Той е опасен демагог, който умее да манипулира тълпите.

He is a dangerous demagogue who knows how to manipulate crowds.

Masculine form.

3

Опасната ерозия на доверието в институциите е факт.

The dangerous erosion of trust in institutions is a fact.

Feminine with definite article.

4

Това е опасен танц с огъня, който може да завърши трагично.

This is a dangerous dance with fire that could end tragically.

Masculine form matching 'танц'.

5

Няма нищо по-опасно от един отчаян човек.

There is nothing more dangerous than a desperate person.

Comparative form.

6

Опасните нюанси на неговото изказване убягнаха на мнозина.

The dangerous nuances of his statement escaped many.

Plural with definite article.

7

Тази идеология е опасна в самата си същност.

This ideology is dangerous in its very essence.

Feminine form.

8

Опасното тук не е рискът, а сигурността на провала.

The dangerous thing here is not the risk, but the certainty of failure.

Neuter definite article used as a noun phrase.

Common Collocations

опасен път
опасно място
опасен човек
опасна игра
опасни химикали
опасно време
опасен завой
опасна ситуация
опасна близост
опасен прецедент

Common Phrases

Опасно за живота!

— A standard warning sign meaning 'Lethal Danger' or 'Dangerous to life'.

На оградата пишеше: 'Опасно за живота!'

Внимание, опасност!

— A general warning phrase used to alert someone to immediate risk.

Внимание, опасност от падащи камъни!

Опасен чар

— Used to describe someone whose attractiveness is paired with risk or mischief.

Той притежава един такъв опасен чар.

Опасни връзки

— Refers to social or romantic involvements that are risky or harmful.

Тя винаги се забърква в опасни връзки.

Опасно близо

— When something is so close to a threat that it is worrying.

Колата мина опасно близо до мен.

Опасен престъпник

— A standard term for a violent or high-risk lawbreaker.

Полицията търси опасен престъпник.

Опасна зона

— A designated area where danger is present.

Не влизайте в опасната зона.

Опасно за здравето

— Used for things like pollution or bad habits that hurt health.

Мръсният въздух е опасен за здравето.

Опасни идеи

— Ideas that challenge authority or safety.

Той винаги има опасни идеи.

Опасно забавяне

— A delay that could lead to negative consequences.

Това е едно опасно забавяне на проекта.

Often Confused With

опасен vs страшен

Means 'scary'. A ghost is 'страшен', but a high-voltage wire is 'опасен'.

опасен vs труден

Means 'difficult'. A task can be 'труден' without being 'опасен'.

опасен vs важен

Means 'important'. Sometimes people confuse 'critical' (опасен) with 'important'.

Idioms & Expressions

"Играя си с огъня"

— To take dangerous risks. While it doesn't use the word 'опасен', it is the conceptual equivalent of 'dangerous play'.

Ако продължаваш така, си играеш с огъня.

informal
"Ходя по тънък лед"

— To be in a dangerous or precarious situation.

С тези коментари ходиш по тънък лед.

informal
"Опасен тип"

— A person who is unpredictable or shady.

Този е опасен тип, не му вярвай.

slang
"Влизам в устата на вълка"

— To walk into a very dangerous situation knowingly.

Да отидеш там сам е като да влезеш в устата на вълка.

idiomatic
"Опасното е, че..."

— A common way to introduce the most risky part of a plan.

Опасното е, че нямаме резервен план.

neutral
"На косъм от опасността"

— To be very close to a dangerous outcome.

Бяхме на косъм от опасността.

neutral
"Опасно завойче"

— A tricky or dangerous turn in a conversation or event.

Разговорът взе опасно завойче.

informal
"Опасна работа"

— Used to describe a situation that is complex, risky, or suspicious.

Тази сделка е опасна работа.

informal
"По опасен наклон"

— On a slippery slope toward danger or failure.

Обществото се движи по опасен наклон.

formal
"Опасна близост"

— A state of being too close to something risky.

Двете държави са в опасна близост до война.

formal

Easily Confused

опасен vs опасно

It can be both a neuter adjective and an adverb.

As an adjective, it describes a noun. As an adverb, it describes an action.

Мястото е опасно (Adj). Той кара опасно (Adv).

опасен vs безопасен

Contains the same root but means the opposite.

Prefix 'без-' means 'without', so 'without danger'.

Това е безопасно лекарство.

опасен vs опаслив

Similar root and sound.

Means 'cautious' or 'timid' (describing a person's character).

Той е опаслив човек, винаги се страхува.

опасен vs ужасен

Both are strong negative adjectives.

'Ужасен' means 'terrible' or 'horrible', not necessarily 'dangerous'.

Времето е ужасно (bad), но не е опасно (not risky).

опасен vs рискован

Very close synonyms.

'Рискован' is used more for chances and outcomes, 'опасен' for harm.

Рискован бизнес, но опасен спорт.

Sentence Patterns

A1

[Noun] е [Adjective]

Кучето е опасно.

A2

Това е [Adjective] [Noun]

Това е опасен район.

B1

[Definite Adjective] [Noun] е [Adjective]

Опасният път е затворен.

B2

[Noun] е опасен за [Noun]

Пушенето е опасно за здравето.

C1

Опасното е, че [Clause]

Опасното е, че никой не знае истината.

C2

[Noun] носи опасни рискове за [Noun]

Промяната носи опасни рискове за икономиката.

B1

По-опасен от [Noun]

Той е по-опасен от брат си.

A1

Внимавай, [Adjective] е!

Внимавай, опасно е!

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Very frequent in both spoken and written Bulgarian.

Common Mistakes
  • Опасен ситуация Опасна ситуация

    The noun 'ситуация' is feminine, so the adjective must be 'опасна'.

  • Той кара опасен Той кара опасно

    You need the adverb 'опасно' to describe the verb 'кара' (drives).

  • Опасен кучета Опасни кучета

    Plural nouns require the plural adjective form 'опасни'.

  • Филмът е опасен Филмът е страшен

    Unless the film causes physical harm, you likely mean it is 'scary' (страшен).

  • Опасният жена Опасната жена

    Incorrect definite article gender. 'Жена' is feminine.

Tips

Gender Check

Always check the last letter of the noun. If it's a consonant, use 'опасен'. If it's 'а' or 'я', use 'опасна'. If it's 'о' or 'е', use 'опасно'.

Signs

Look for the word on yellow and red signs in Bulgaria to understand real-world application.

Emphasis

In a warning, the word is usually shouted or said very clearly. Practice saying 'Опасно!' quickly.

Agreement

Don't forget that in plural, all genders use 'опасни'. This simplifies things for plural nouns!

Slang

If a Bulgarian friend says you are 'опасен', they probably think you are very smart or clever.

News Keywords

Listen for 'опасен' in weather forecasts (опасно време) to know when to stay indoors.

High Voltage

Never ignore a sign that says 'Опасно за живота!'. It's usually near electricity or falling rocks.

Vs. Riskovan

Use 'рискован' for money and business, 'опасен' for physical safety.

The 'O-Pass' Rule

If it's 'Опасен', you should 'Pass' on it.

Stress

The stress never moves to the first syllable. Keep it on 'па'.

Memorize It

Mnemonic

Think of 'O-PASS-en'. If something is dangerous, you might want to 'PASS' on it and go the other way.

Visual Association

Imagine a bright yellow triangle with a black exclamation mark. This is the universal sign for 'Опасно!'. Associate the sound of the word with that visual warning.

Word Web

опасен опасност внимание риск път животно високо напрежение пази се

Challenge

Try to find three things in your current room that could be 'опасни' if used incorrectly, and name them in Bulgarian: 'Опасен нож', 'Опасно електричество', 'Опасно стъкло'.

Word Origin

The word 'опасен' comes from the Old Church Slavonic root 'паси' (pasi), which is related to the verb 'пазя' (pazya) meaning 'to guard' or 'to watch over'. The prefix 'о-' combined with this root originally suggested a state that requires one to be on guard or to watch out.

Original meaning: Requiring guarding or caution; something one must watch out for.

Slavic (Indo-European)

Cultural Context

Be careful when calling a person 'опасен' in a professional setting, as it can be interpreted as a serious character accusation unless intended as slang.

English speakers might use 'dangerous' more loosely than Bulgarians. In Bulgarian, 'опасен' is often a literal warning of harm.

The movie 'Опасен чар' (Dangerous Charm) is a Bulgarian classic from 1984. The phrase 'Опасно за живота' is a common motif in Bulgarian street art. Various Bulgarian folk tales warn of 'опасни' mythical creatures like the 'Змей'.

Practice in Real Life

Real-World Contexts

Driving

  • Опасен завой
  • Опасен участък
  • Пътят е хлъзгав и опасен
  • Караш опасно

Nature/Hiking

  • Опасни животни
  • Опасна пътека
  • Времето е опасно
  • Опасност от лавини

Home Safety

  • Опасно за деца
  • Не пипай, опасно е
  • Опасни химикали
  • Опасно електричество

News/Crime

  • Опасен беглец
  • Опасна ситуация
  • Оръжието е опасно
  • Опасен район

Business/Politics

  • Опасен прецедент
  • Рискована и опасна стратегия
  • Опасна близост до фалит
  • Опасни идеи

Conversation Starters

"Мислите ли, че изкуственият интелект е опасен за хората?"

"Кой е най-опасният град, който сте посещавали?"

"Смятате ли, че екстремните спортове са твърде опасни?"

"Има ли опасни места във вашия квартал?"

"Кое е най-опасното животно в България според вас?"

Journal Prompts

Опишете ситуация, в която сте се почувствали в опасност. Какво се случи?

Напишете за една 'опасна идея', която е променила света към по-добро.

Как се справяте с опасни ситуации в работата или ежедневието си?

Смятате ли, че светът става по-опасен или по-безопасен с времето?

Опишете герой от книга или филм, който е 'опасен', но симпатичен.

Frequently Asked Questions

10 questions

Yes, it almost always implies risk or harm. However, in slang, it can mean someone is very sharp or impressive in a slightly rogue way.

You use 'опасна'. For example: 'Тя е опасна жена'.

The plural is 'опасни', used for all genders. Example: 'опасни пътища'.

Yes, it can be. 'Той кара опасно' means 'He drives dangerously'.

No, use 'страшен' for scary. 'Опасен' means it can physically hurt you.

It means 'Dangerous to life' or 'Lethal danger'. It's common on warning signs.

For masculine subjects: 'опасният'. For masculine objects: 'опасния'. Feminine: 'опасната'. Neuter: 'опасното'. Plural: 'опасните'.

Yes, it is extremely common and is taught at the A1 level.

The most common opposite is 'безопасен' (safe).

Yes, if the food is poisonous or expired. 'Тази гъба е опасна' (This mushroom is dangerous).

Test Yourself 200 questions

writing

Write a sentence in Bulgarian about a dangerous road.

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writing

Translate to Bulgarian: 'The snake is dangerous.'

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writing

Describe a dangerous situation you have been in using 'опасна ситуация'.

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writing

Write a warning sign for a construction site in Bulgarian.

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writing

Translate: 'He is a dangerous person because he has dangerous ideas.'

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writing

Compare two things using 'по-опасен от'.

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writing

Write a short paragraph about the dangers of climate change.

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writing

Explain why 'опасен' and 'страшен' are different in Bulgarian.

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writing

Translate: 'The dangerous waste must be removed immediately.'

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writing

Write a sentence using 'опасният' (full article).

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writing

Translate: 'It is dangerous to swim here.'

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writing

Write a sentence about a dangerous animal in the forest.

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writing

Translate: 'This is a dangerous precedent for the future.'

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writing

Describe a 'dangerous charm' (опасен чар) in your own words.

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writing

Translate: 'The situation is dangerous and unpredictable.'

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writing

Write a sentence using the adverb 'опасно'.

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writing

Translate: 'Don't play with dangerous things.'

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writing

Write a formal warning about high voltage.

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writing

Translate: 'The most dangerous part of the journey is over.'

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writing

Write a sentence using the word 'опасност'.

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speaking

Say 'It is dangerous' in Bulgarian.

Read this aloud:

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speaking

Pronounce 'опасен' with the correct stress.

Read this aloud:

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speaking

Say 'Dangerous road' in Bulgarian.

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speaking

Warn someone not to touch a hot stove.

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speaking

Say 'He is a dangerous man' in Bulgarian.

Read this aloud:

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speaking

Say 'Dangerous dogs' in Bulgarian.

Read this aloud:

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speaking

Pronounce 'опасна ситуация' correctly.

Read this aloud:

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speaking

Tell someone they are driving dangerously.

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speaking

Say 'This is a dangerous idea' in Bulgarian.

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speaking

Pronounce the plural 'опасни отпадъци'.

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speaking

Say 'The dangerous criminal' (masculine subject).

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speaking

Warn someone about a dangerous snake.

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speaking

Say 'It's too dangerous to go there.'

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speaking

Pronounce 'животозастрашаващ' (Advanced).

Read this aloud:

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speaking

Say 'Be careful, the place is dangerous.'

Read this aloud:

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speaking

Say 'Dangerous for health' in Bulgarian.

Read this aloud:

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speaking

Pronounce 'опасност' correctly.

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speaking

Say 'The most dangerous city' in Bulgarian.

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speaking

Tell a child 'Don't do that, it's dangerous!'

Read this aloud:

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speaking

Say 'Dangerous political games' in Bulgarian.

Read this aloud:

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listening

Listen and write the word: [Audio: опасен]

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listening

Listen and write the word: [Audio: опасна]

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listening

Listen and write the word: [Audio: опасно]

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listening

Listen and write the word: [Audio: опасни]

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listening

Listen to the phrase and translate: 'Внимание, опасно!'

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listening

Listen and identify the gender: 'опасна ситуация'

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listening

Listen and identify the gender: 'опасен път'

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listening

Listen and write the sentence: 'Това е опасно за теб.'

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listening

Listen and identify the definite article: 'опасният престъпник'

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listening

Listen and identify the plural: 'опасни животни'

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listening

Listen to the warning: 'Опасно за живота!' What does it mean?

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listening

Listen and write the adverb: 'Той кара опасно.'

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listening

Listen and identify the synonym used: 'Това е рисковано.'

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listening

Listen and identify the noun: 'Има голяма опасност.'

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listening

Listen and translate: 'Най-опасното нещо е страхът.'

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/ 200 correct

Perfect score!

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