Cool MateCertainly vs Definitely vs Surely vs Undoubtedly vs Without a doubt
Quando usar cada um em inglês, com significado, registro e exemplos.
Certainly
Top 1000 (muito comum)A2adverb
Definitely
Top 1000 (muito comum)A2adverb
Surely
Top 2000 (comum)B1adverb
Undoubtedly
FormalTop 5000 (bastante comum)C1adverb
Without a doubt
Top 2000 (comum)
Mais formal: Undoubtedly
| Certainly | Definitely | Surely | Undoubtedly | Without a doubt | |
|---|---|---|---|---|---|
| Pronúncia | 🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/ | 🇬🇧 /["/ˈdefɪnətli/"]/🇺🇸 /["/ˈdefɪnətli/"]/ | 🇬🇧 /["/ˈʃʊəli//ˈʃɔːli/"]/🇺🇸 /["/ˈʃʊrli/"]/ | 🇬🇧 //ʌnˈdaʊtɪdli//🇺🇸 //ʌnˈdaʊtədli// | 🇬🇧 //wɪˈðaʊt ə daʊt//🇺🇸 //wɪˈðaʊt ə daʊt// |
| Significado | Com certeza; definitivamente.Definitely; for sure. | Com certeza, sem dúvida alguma.For sure, without a doubt | com certeza; sem dúvidacertainly; without a doubt | Definitivamente; sem dúvida.Definitely; without a doubt. | Definitely true; no question about it. |
| Exemplo | Without treatment, she will **almost certainly** die. | I definitely remember sending the letter. | Surely we should do something about it? | She is undoubtedly the best candidate for the position. | She is, without a doubt, the most talented singer in the group. |
| Registro | Neutro | Neutro | Neutro | Formal | Neutro |
| Quão comum | Top 1000 (muito comum) | Top 1000 (muito comum) | Top 2000 (comum) | Top 5000 (bastante comum) | Top 2000 (comum) |
| Nível CEFR | A2 | A2 | B1 | C1 | - |
| Classe gramatical | adverb | adverb | adverb | adverb | |
| Colocações | certainly agree, certainly possible, certainly not, certainly true, certainly yes | definitely agree, definitely believe, definitely know | surely believe, surely know, surely must | undoubtedly true, undoubtedly clear, undoubtedly helpful | believe without a doubt, know without a doubt, say without a doubt |
| Antônimos | uncertainly, doubtfully | doubtfully, uncertainly | doubtfully, unsure | doubtfully, questionably, uncertainly | - |
| Erros comuns | 'Certainly' is often incorrectly used in place of 'certain' in adjectives., Learners might confuse 'certainly' with 'definitely' without noticing the subtle nuance., Some learners use 'certainly' in inappropriate contexts, such as casual greetings. | Often confused with 'defiantly' which means resisting authority., Sometimes spelled incorrectly as 'definately'. | Confusing 'surely' with 'sure' — 'sure' can be an adjective., Using 'surely' as a response when a simple 'yes' would suffice., Omitting 'surely' in a sentence where it clarifies certainty. | Confused with 'undoubtably', which is incorrect., Omitting it when certainty is implied., Using it in informal contexts where 'definitely' is more suitable. | Used with incorrect verb forms (e.g., 'Without a doubt, he is the best.' should be 'Without a doubt, he is the best choice.'), Often confused with similar phrases like 'without question,' which can have a slightly different tone. |
| Notas de uso | Use 'certamente' para dar ênfase ou concordar com algo. É um pouco mais formal que 'com certeza' e funciona bem em situações profissionais, mas pode soar um pouco forte em conversas informais.Use 'certainly' when you want to emphasize affirmation or agreement. It is more formal than 'sure' and works well in professional settings, but might feel too strong in casual conversations. | Use 'definitivamente' para enfatizar a certeza. Funciona bem tanto na fala quanto na escrita. Evite usá-lo em contextos excessivamente formais, onde alternativas como 'certamente' podem ser mais adequadas.Use 'definitely' to emphasize certainty. It fits well in both spoken and written English. Avoid using it in overly formal contexts where alternatives like 'certainly' might be more suitable. | Use 'surely' para expressar certeza. É apropriado em contextos falados e escritos, mas é mais comum em discussões formais. Evite usá-lo em conversas muito casuais onde palavras mais simples como 'definitely' podem se encaixar melhor.Use 'surely' to express certainty. It’s appropriate in both spoken and written contexts but is more common in formal discussions. Avoid using it in very casual conversations where simpler words like 'definitely' might fit better. | Usado para enfatizar certeza ou forte crença; tipicamente em escrita formal ou discursos, não é comum em conversas casuais.Used to emphasize certainty or strong belief; typically in formal writing or speeches, not common in casual conversation. | Used to express strong certainty. Suitable for both spoken and written forms. Avoid in overly formal contexts. |
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Perguntas frequentes: Certainly vs Definitely vs Surely vs Undoubtedly vs Without a doubt
Qual é a diferença entre Certainly, Definitely, Surely, Undoubtedly e Without a doubt?
Certainly: Definitely; for sure. Definitely: For sure, without a doubt Surely: certainly; without a doubt Undoubtedly: Definitely; without a doubt. Without a doubt: Definitely true; no question about it.
Qual é mais formal: Certainly, Definitely, Surely, Undoubtedly e Without a doubt?
Undoubtedly é a mais formal entre elas.
Qual é mais avançada: Certainly, Definitely, Surely, Undoubtedly e Without a doubt?
Undoubtedly é o nível mais alto, em C1, na escala CEFR.
Pode mostrar um exemplo de cada?
Certainly: Without treatment, she will **almost certainly** die. Definitely: I definitely remember sending the letter. Surely: Surely we should do something about it? Undoubtedly: She is undoubtedly the best candidate for the position. Without a doubt: She is, without a doubt, the most talented singer in the group.
Posso usar Certainly, Definitely, Surely, Undoubtedly e Without a doubt de forma intercambiável?
Nem sempre. Certainly, Definitely, Surely, Undoubtedly e Without a doubt são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.