The Portuguese word aviso is an incredibly versatile and frequently used noun that translates primarily to 'notice', 'warning', 'announcement', or 'message' in English. It derives from the verb 'avisar' (to warn or notify) and is deeply embedded in everyday communication, ranging from casual conversations among friends to highly formal legal documents. Understanding how and when to use 'aviso' is crucial for any Portuguese learner, as it serves as the foundational vocabulary for expressing that information is being conveyed to prevent a problem, announce a change, or simply keep someone informed. When you walk into a building in Brazil or Portugal, you will likely see signs labeled 'Aviso' to indicate rules, hazards, or general information. In the workplace, an 'aviso' might be an email about a server downtime or a memo about a meeting. In personal relationships, 'dar um aviso' (to give a warning) can range from a friendly heads-up about traffic to a stern caution about someone's behavior. The word carries a dual nature: it can be entirely neutral, simply meaning a piece of information, or it can be loaded with urgency and caution, functioning as a strict warning.
- Neutral Context
- Used as a simple notification, such as a notice on a bulletin board about an upcoming community event or a change in store hours.
O aviso na porta diz que a loja abre às nove.
Beyond the physical signs, 'aviso' is deeply ingrained in administrative and legal frameworks. The term 'aviso prévio' is a vital concept in labor laws across Portuguese-speaking countries, equivalent to the 'notice period' or 'two weeks notice' in English-speaking cultures. If you resign from a job or are terminated, the 'aviso prévio' dictates the transition period. This demonstrates how a simple word for 'warning' elevates into a formal, legally binding concept. Furthermore, in the digital age, 'avisos' are the notifications you receive on your smartphone. Every ping from a messaging app, every alert from a calendar, and every system update prompt is considered an 'aviso'. This modern application ensures that the word remains constantly relevant. It is also important to note the emotional weight the word can carry. While an 'aviso' about rain is helpful, a final 'aviso' from a boss or a parent is a serious matter, indicating that consequences will follow if the warning is ignored. The context, tone of voice, and accompanying adjectives (like 'último aviso' or 'aviso importante') dictate the severity of the word.
- Warning Context
- Used to indicate potential danger, a reprimand, or a strict condition that must be met to avoid negative consequences.
Este é o meu último aviso antes de chamar a polícia.
In literature and journalism, 'aviso' frequently appears in headlines and formal announcements. Government agencies issue 'avisos meteorológicos' (weather warnings) for storms or extreme heat. Schools send 'avisos' to parents regarding meetings or policy changes. The versatility of the word means you will encounter it in almost every domain of life. When learning Portuguese, mastering the collocations associated with 'aviso' will significantly improve your fluency. Phrases like 'prestar atenção ao aviso' (to pay attention to the warning), 'ignorar o aviso' (to ignore the warning), and 'colocar um aviso' (to put up a notice) are standard building blocks of the language. Understanding these nuances allows learners to navigate Portuguese-speaking environments safely and respectfully. Whether it is a bright yellow sign cautioning about a wet floor (Aviso: Piso Molhado) or a gentle reminder from a friend (Só um aviso...), this word is a critical tool for effective communication and social interaction.
- Digital Context
- Refers to notifications, pop-ups, and alerts on computers, smartphones, and other digital devices.
Meu celular está cheio de avisos do aplicativo de mensagens.
O aviso de bateria fraca apareceu na tela.
Não vi o aviso sobre o cancelamento do voo.
Using the word aviso correctly in sentences requires an understanding of its grammatical properties and common verb pairings. As a masculine noun, it is always preceded by masculine articles (o, um, os, uns) and paired with masculine adjectives (importante, prévio, último, falso). The most common verbs used to interact with an 'aviso' are 'dar' (to give), 'receber' (to receive), 'ler' (to read), 'escrever' (to write), 'colocar' (to place/put up), and 'ignorar' (to ignore). When you want to say 'I gave him a warning', you would say 'Eu dei um aviso a ele'. This structure is straightforward and mirrors the English 'give a warning'. However, when referring to written notices, the verb 'colocar' (to place) or 'afixar' (to affix/post) is more appropriate. For example, 'A gerência colocou um aviso no mural' translates to 'Management put a notice on the bulletin board'. This distinction between spoken warnings and written notices is vital for sounding natural in Portuguese. Furthermore, 'aviso' is often the subject of the sentence, performing an action metaphorically, such as 'O aviso dizia que...' (The notice said that...). This personification of the notice is exactly how it functions in English, making it highly intuitive for learners.
- Verb Pairing: Dar
- Using 'dar um aviso' is the standard way to express giving someone a verbal or written warning or heads-up.
A professora deu um aviso sobre a prova de amanhã.
Another crucial aspect of using 'aviso' in sentences is understanding prepositions. When you want to specify what the warning is about, you use the preposition 'sobre' (about) or 'de' (of). For instance, 'um aviso sobre a chuva' (a warning about the rain) or 'um aviso de perigo' (a warning of danger). When indicating who the warning is for, the preposition 'para' (for) or 'a' (to) is used: 'um aviso para os alunos' (a notice for the students). Combining these elements allows for complex, highly descriptive sentences. Let us look at a comprehensive example: 'O diretor enviou um aviso importante aos funcionários sobre a mudança de horário'. Here, 'aviso' is modified by the adjective 'importante', directed 'aos funcionários' (to the employees), and describes the topic 'sobre a mudança' (about the change). Mastering this sentence structure provides a robust template for professional and academic communication. Additionally, in informal speech, Brazilians often use the diminutive 'avisinho' to soften the impact of the word. Saying 'Vou te dar um avisinho' makes the warning sound more like a friendly tip rather than a severe reprimand, showcasing the cultural tendency to maintain harmony and politeness even when delivering potentially negative information.
- Preposition Usage
- Always use 'sobre' or 'de' to introduce the topic of the notice, and 'para' or 'a' to indicate the recipient.
Há um aviso de tempestade para esta noite.
In the context of technology and modern communication, the phrasing adapts slightly. You don't usually 'read' an app notification; you 'receive' it or it 'appears'. Sentences like 'Apareceu um aviso na tela' (A warning appeared on the screen) or 'Recebi um aviso do banco' (I received a notice from the bank) are incredibly common. When discussing the dismissal of these digital alerts, the verb 'fechar' (to close) or 'apagar' (to delete) is used: 'Eu apaguei o aviso sem ler' (I deleted the notification without reading it). Furthermore, idiomatic expressions and fixed phrases rely heavily on this word. 'Quem avisa amigo é' (He who warns is a friend) is a famous proverb derived from the root verb, reinforcing the cultural value placed on giving 'avisos'. To express that something happened without any prior warning, the phrase 'sem aviso prévio' is universally understood. 'A tempestade começou sem aviso prévio' means the storm started without warning. By integrating these various structures, prepositions, and contexts, learners can move beyond simple translations and start using 'aviso' with native-like fluency and precision in any situation.
- Without Warning
- The phrase 'sem aviso' or 'sem aviso prévio' is the standard translation for 'without warning' or 'unannounced'.
A luz acabou de repente, sem nenhum aviso.
Eles mudaram as regras sem aviso prévio.
Preste atenção ao aviso sonoro antes do fechamento das portas.
The word aviso is omnipresent in the Portuguese-speaking world, appearing in almost every facet of daily life. For a language learner, recognizing where this word pops up is key to contextual comprehension. One of the most immediate places you will encounter 'aviso' is in public spaces and transportation. If you take the metro in São Paulo or Lisbon, automated voices and digital displays constantly issue 'avisos' about the next station, closing doors, or security protocols. Similarly, airports are filled with 'avisos sonoros' (audio announcements) regarding flight boarding and delays. In commercial environments, such as supermarkets and shopping malls, physical signs bearing the word 'AVISO' in bold letters are everywhere. These signs might warn of a wet floor (Aviso: Piso molhado), restrict entry (Aviso: Área restrita), or inform customers of store policies (Aviso: Não aceitamos cheques). In these contexts, the word functions exactly like the English 'Notice' or 'Warning' signs. Because these signs are crucial for safety and navigation, 'aviso' is one of the first words a tourist or expatriate learns to recognize visually.
- Public Transportation
- Frequent audio and visual announcements on buses, trains, and subways to keep passengers informed and safe.
Ouça o aviso do maquinista sobre a próxima parada.
The workplace is another primary domain where 'aviso' reigns supreme. Corporate communication relies heavily on 'avisos' to disseminate information efficiently. A company-wide email about a holiday schedule is an 'aviso'. A sticky note on the office refrigerator asking people to clean up after themselves is an 'aviso'. Furthermore, the human resources department utilizes the term extensively, particularly regarding the 'aviso prévio' (notice period) mentioned earlier. If an employee is fired or resigns, the documentation and the period worked before departure are legally defined by this term. Beyond the corporate sphere, educational institutions use 'avisos' to manage student bodies. Schools have 'quadros de avisos' (notice boards) where grades, event schedules, and administrative messages are posted. Teachers give 'avisos' at the end of class to remind students of homework or upcoming exams. In these educational and professional settings, the word conveys authority and formal information distribution. It implies that the information is not just conversational, but official and requires attention or compliance from the recipients.
- Workplace Communication
- Used for memos, HR policies, resignation notices, and general office announcements.
Leia o aviso no mural da sala de descanso.
In the digital realm and media, 'aviso' takes on the role of alerts and notifications. When you browse the internet, you encounter 'avisos de cookies' (cookie notices) and 'avisos de privacidade' (privacy notices). News broadcasts frequently interrupt programming for an 'aviso urgente' (urgent warning) regarding breaking news, severe weather, or public emergencies. On social media platforms and messaging apps like WhatsApp—which is profoundly popular in Brazil and Portugal—users often send a quick text saying 'Só um aviso...' (Just a heads up...) to inform friends of a change in plans or a minor issue. Additionally, consumer products are covered in 'avisos'. Medication packaging contains 'avisos legais' (legal warnings) about side effects. Toys have 'avisos' about choking hazards for small children. The sheer volume of contexts where this word is the standard terminology makes it an indispensable part of a learner's vocabulary. Whether you are navigating a website, reading a contract, riding the subway, or texting a friend, 'aviso' is the bridge that connects you to essential information and safety guidelines in the Portuguese-speaking world.
- Product Packaging
- Mandatory safety warnings, allergy information, and usage instructions printed on goods.
O remédio tem um aviso sobre sonolência.
Ignorei o aviso e acabei queimando a comida.
Recebemos um aviso da prefeitura sobre a falta de água.
When English speakers learn the word aviso, several common pitfalls and translation errors frequently occur. The most prominent mistake stems from the English word 'advice'. Because 'aviso' looks somewhat similar to 'advice', learners often assume they are direct equivalents. However, 'advice' translates to 'conselho' in Portuguese. An 'aviso' is a warning or a notice, not a helpful suggestion meant to guide someone's choices. If you tell a friend, 'Posso te dar um aviso?' when you mean to offer life advice, it sounds aggressive or ominous, as if you are warning them of impending doom or scolding them. The correct phrase for advice is 'Posso te dar um conselho?'. This false friend confusion is a classic trap for beginners. Another frequent error is related to the English word 'notice' as a verb. In English, you 'notice' something (to observe or perceive). In Portuguese, the verb form 'avisar' means 'to warn' or 'to notify', not 'to observe'. To say 'I noticed that...', you must use verbs like 'notar', 'perceber', or 'reparar' (e.g., 'Eu notei que...'). Using 'avisar' or 'aviso' in the context of observation leads to completely nonsensical sentences.
- False Friend: Advice
- Do not use 'aviso' for advice. Use 'conselho'. 'Aviso' is strictly for notices, warnings, or objective information.
Preciso de um conselho (NOT aviso) sobre o meu relacionamento.
Grammatical gender mistakes are also prevalent. Since 'aviso' ends in 'o', it follows the standard rule of being a masculine noun. However, learners sometimes incorrectly pair it with feminine articles or adjectives, especially when translating complex sentences quickly in their heads. Saying 'uma aviso' or 'a aviso' is immediately noticeable to native speakers and marks the speaker as a novice. Always ensure it is 'o aviso', 'um aviso', 'este aviso', etc. Furthermore, prepositional mistakes occur when trying to express 'a warning about'. English speakers might literally translate 'about' to 'sobre', which is correct ('um aviso sobre a chuva'). However, they often forget that in some contexts, the preposition 'de' is more idiomatic, such as 'aviso de perigo' (warning of danger) rather than 'aviso sobre perigo'. While both might be understood, learning the natural collocations with 'de' improves fluency. Additionally, learners struggle with the expression 'two weeks notice' when quitting a job. Direct translations like 'aviso de duas semanas' are not used in Portuguese labor culture. The exact term is 'aviso prévio', which legally encompasses the notice period regardless of whether it is exactly two weeks, thirty days, or another duration stipulated by law.
- Employment Notice
- Never say 'aviso de duas semanas'. Always use the legal term 'aviso prévio' for job resignations or terminations.
Eu pedi demissão e estou cumprindo aviso prévio.
Finally, a subtle but important mistake involves the severity of the word. While 'aviso' can be a neutral notice, it often carries a tone of reprimand or strict caution, especially in interpersonal communication. If a teacher says to a student, 'Este é o meu último aviso', it is a severe threat of punishment. English speakers sometimes use 'aviso' too casually when they just want to give a friendly 'heads up' or share a minor piece of information. In very casual contexts, using the diminutive 'avisinho' (a little notice) or phrases like 'Só para te informar...' (Just to let you know...) or 'Um toque...' (A little touch/heads up, slang) might be more appropriate to avoid sounding bossy or overly formal. Overusing 'aviso' among close friends for trivial matters can make you sound like a strict manager rather than a peer. By understanding these nuances—avoiding the 'advice' trap, using correct verbs for observation, mastering the gender and prepositions, and gauging the emotional weight of the word—learners can seamlessly integrate 'aviso' into their active vocabulary without causing confusion or unintended offense.
- Tone and Severity
- Be careful not to sound too harsh. For a friendly heads-up, alternatives like 'só pra avisar' or 'um toque' are softer.
Vou te dar um aviso: não confie nele. (Strong warning)
O aviso de vencimento da conta chegou hoje.
Esqueci de ler o aviso na porta do elevador.
While aviso is the most common and versatile word for notices and warnings, the Portuguese language offers a rich tapestry of synonyms and alternatives that allow for greater precision and stylistic variation. Understanding these alternatives helps learners elevate their vocabulary from intermediate to advanced levels. One of the closest synonyms is 'advertência'. While 'aviso' can be neutral, 'advertência' is almost always negative or disciplinary. It is a formal reprimand or a strong caution against doing something wrong. For instance, in a school or workplace, receiving an 'advertência' is equivalent to getting a formal written warning on your record. Another excellent alternative is 'alerta' (alert). This word is used specifically when there is an immediate danger, urgency, or a need for heightened vigilance. You will see 'alerta vermelho' (red alert) for severe weather or security threats. 'Alerta' conveys a sense of immediacy that a standard 'aviso' might lack. If a siren is blaring, it is an 'alerta'; if a paper is pinned to a board, it is an 'aviso'.
- Advertência vs. Aviso
- Use 'advertência' for formal reprimands or strict disciplinary warnings. Use 'aviso' for general notices or milder warnings.
O funcionário recebeu uma advertência antes do aviso de demissão.
For contexts involving official communication or mass distribution of information, 'comunicado' is the preferred term. A 'comunicado' is an official statement, press release, or formal announcement issued by an organization, government, or public figure. While a company might put an 'aviso' in the breakroom about cleaning the microwave, they will issue a 'comunicado à imprensa' (press release) regarding a merger. Similarly, 'notificação' is heavily used in legal, administrative, and digital contexts. A 'notificação judicial' is a legal notice or summons. On your smartphone, the alerts you receive from apps are technically 'notificações', though casually people often call them 'avisos'. 'Mensagem' (message) is another related word, though it is broader. Every 'aviso' is a message, but not every message is an 'aviso'. A 'mensagem' can be a simple 'hello', whereas an 'aviso' implies specific, actionable, or restrictive information. Knowing when to swap 'aviso' for 'comunicado' or 'notificação' instantly makes your Portuguese sound more professional and contextually accurate, especially in business or formal writing.
- Comunicado vs. Aviso
- 'Comunicado' is a formal, official announcement to a broad audience, whereas 'aviso' can be informal and highly localized.
A empresa lançou um comunicado oficial, confirmando o aviso anterior.
In informal, spoken Portuguese, especially in Brazil, people use slang and idiomatic expressions to convey the idea of a warning or a heads-up. The expression 'dar um toque' (literally 'to give a touch') is incredibly common. If you want to tell a friend that their shirt is inside out without embarrassing them, you say, 'Vou te dar um toque...' (I'm going to give you a heads-up...). Another informal alternative is 'dar a letra' (to give the letter/lyrics), which means to explain the reality of a situation or give an insider warning about how things really work. Conversely, when looking at antonyms, words like 'desinformação' (misinformation), 'omissão' (omission), or 'silêncio' (silence) represent the absence or distortion of the clarity that an 'aviso' provides. An 'aviso' is designed to illuminate and prepare; its opposites are designed to obscure or leave one unprepared. By exploring these synonyms, formal alternatives, and casual slang, a learner builds a multidimensional understanding of the word, allowing them to tailor their speech to the exact tone, formality, and urgency required by any given situation in the Portuguese-speaking world.
- Informal Alternatives
- Use 'dar um toque' for a friendly, casual heads-up among peers instead of the more formal 'dar um aviso'.
Obrigado pelo aviso, foi um ótimo toque.
A notificação no celular serviu como um aviso rápido.
O alerta de incêndio é o aviso mais importante do prédio.
Examples by Level
O aviso está na porta.
The notice is on the door.
Basic subject-verb-location structure using the definite article 'O'.
Eu leio o aviso.
I read the notice.
First-person present tense of 'ler' with direct object.
É um aviso importante.
It is an important notice.
Noun followed by the adjective 'importante'.
Veja o aviso ali.
See the notice there.
Imperative form of 'ver' directing attention.
O aviso é amarelo.
The warning sign is yellow.
Describing the physical attribute of the sign.
Não vi o aviso.
I didn't see the notice.
Simple negative sentence in the past tense.
Onde está o aviso?
Where is the notice?
Basic question using 'onde' (where).
Este aviso é novo.
This notice is new.
Using the demonstrative pronoun 'Este'.
A professora deu um aviso para a classe.
The teacher gave a notice to the class.
Using 'dar um aviso' with the preposition 'para'.
Recebi um aviso no meu celular.
I received a notification on my cell phone.
Using 'receber' for digital notices.
Você leu o aviso no quadro?
Did you read the notice on the board?
Question in the past tense with location 'no quadro'.
Eles mudaram a data sem aviso.
They changed the date without warning.
Introduction of the common phrase 'sem aviso'.
Related Content
This Word in Other Languages
Related Phrases
More work words
a curto prazo
A2Over a short period of time; short-term.
à exceção de
B1With the exception of; apart from.
a longo prazo
A2Over a long period of time; long-term.
a não ser que
A2Unless; except if; only if not.
a partir de
A2Starting from; from a certain point in time or place.
a prazo
A2For a period of time; on credit or payment terms.
a tempo inteiro
B1Full-time; working the full number of hours considered normal for a job.
a tempo parcial
B1Part-time; working less than full-time hours.
abdicar
A2To give up, to abdicate; to renounce or relinquish a throne, right, power, or claim.
acessível
B1Available, accessible; easy to approach or use.