Cool MateCertainly vs Definitely vs No doubt about it vs Undoubtedly
Quando usar cada um em inglês, com significado, registro e exemplos.
Certainly
Top 1000 (muito comum)A2adverb
Definitely
Top 1000 (muito comum)A2adverb
No doubt about it
Acima de 10.000 (menos comum)
Undoubtedly
FormalTop 5000 (bastante comum)C1adverb
Mais formal: Undoubtedly
| Certainly | Definitely | No doubt about it | Undoubtedly | |
|---|---|---|---|---|
| Pronúncia | 🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/ | 🇬🇧 /["/ˈdefɪnətli/"]/🇺🇸 /["/ˈdefɪnətli/"]/ | 🇬🇧 //nəʊ daʊt əˈbaʊt ɪt//🇺🇸 //noʊ daʊt əˈbaʊt ɪt// | 🇬🇧 //ʌnˈdaʊtɪdli//🇺🇸 //ʌnˈdaʊtədli// |
| Significado | Com certeza; definitivamente.Definitely; for sure. | Com certeza, sem dúvida alguma.For sure, without a doubt | É certo.It is certain. | Definitivamente; sem dúvida.Definitely; without a doubt. |
| Exemplo | Without treatment, she will **almost certainly** die. | I definitely remember sending the letter. | She is, no doubt about it, the best candidate for the job. | She is undoubtedly the best candidate for the position. |
| Registro | Neutro | Neutro | Neutro | Formal |
| Quão comum | Top 1000 (muito comum) | Top 1000 (muito comum) | Acima de 10.000 (menos comum) | Top 5000 (bastante comum) |
| Nível CEFR | A2 | A2 | - | C1 |
| Classe gramatical | adverb | adverb | adverb | |
| Colocações | certainly agree, certainly possible, certainly not, certainly true, certainly yes | definitely agree, definitely believe, definitely know | have no doubt about it, leave no doubt about it, there's no doubt about it | undoubtedly true, undoubtedly clear, undoubtedly helpful |
| Antônimos | uncertainly, doubtfully | doubtfully, uncertainly | - | 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'. | Using in overly formal contexts where simpler affirmatives are better., Confusing with phrases like 'no question about it' which can imply more uncertainty., Mispronouncing and rushing, making it sound unclear. | Confused with 'undoubtably', which is incorrect., Omitting it when certainty is implied., Using it in informal contexts where 'definitely' is more suitable. |
| 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. | Essa expressão é frequentemente usada em conversas informais para expressar certeza. É adequada para a maioria dos contextos, mas pode ser evitada em textos muito formais.This phrase is often used in informal conversation to express certainty. It's suitable for most contexts but can be avoided in very formal writing. | 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. |
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Perguntas frequentes: Certainly vs Definitely vs No doubt about it vs Undoubtedly
Qual é a diferença entre Certainly, Definitely, No doubt about it e Undoubtedly?
Certainly: Definitely; for sure. Definitely: For sure, without a doubt No doubt about it: It is certain. Undoubtedly: Definitely; without a doubt.
Qual é mais formal: Certainly, Definitely, No doubt about it e Undoubtedly?
Undoubtedly é a mais formal entre elas.
Qual é mais avançada: Certainly, Definitely, No doubt about it e Undoubtedly?
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. No doubt about it: She is, no doubt about it, the best candidate for the job. Undoubtedly: She is undoubtedly the best candidate for the position.
Posso usar Certainly, Definitely, No doubt about it e Undoubtedly de forma intercambiável?
Nem sempre. Certainly, Definitely, No doubt about it e Undoubtedly 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.