Cool MateCertainly vs Definitely vs Of course vs Surely vs Undoubtedly
Quand utiliser chacun en anglais, avec le sens, le registre et des exemples.
Certainly
Top 1000 (très courant)A2adverb
Definitely
Top 1000 (très courant)A2adverb
Of course
Top 1000 (très courant)
Surely
Top 2000 (courant)B1adverb
Undoubtedly
FormelTop 5000 (assez courant)C1adverb
Le plus formel: Undoubtedly
| Certainly | Definitely | Of course | Surely | Undoubtedly | |
|---|---|---|---|---|---|
| Prononciation | 🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/ | 🇬🇧 /["/ˈdefɪnətli/"]/🇺🇸 /["/ˈdefɪnətli/"]/ | 🇬🇧 //əv kɔːs//🇺🇸 //əv kɔrs// | 🇬🇧 /["/ˈʃʊəli//ˈʃɔːli/"]/🇺🇸 /["/ˈʃʊrli/"]/ | 🇬🇧 //ʌnˈdaʊtɪdli//🇺🇸 //ʌnˈdaʊtədli// |
| Sens | Définitivement ; à coup sûr.Definitely; for sure. | Pour sûr, sans aucun doute.For sure, without a doubt | Clairement, c'est évident.Definitely, it's obvious. | Certainement ; sans aucun doute.certainly; without a doubt | Clairement ; sans aucun doute.Definitely; without a doubt. |
| Exemple | Without treatment, she will **almost certainly** die. | I definitely remember sending the letter. | Are you joining us for dinner tonight? Of course! | Surely we should do something about it? | She is undoubtedly the best candidate for the position. |
| Registre | Neutre | Neutre | Neutre | Neutre | Formel |
| Fréquence | Top 1000 (très courant) | Top 1000 (très courant) | Top 1000 (très courant) | Top 2000 (courant) | Top 5000 (assez courant) |
| Niveau CEFR | A2 | A2 | - | B1 | C1 |
| Nature grammaticale | adverb | adverb | adverb | adverb | |
| Collocations | certainly agree, certainly possible, certainly not, certainly true, certainly yes | definitely agree, definitely believe, definitely know | of course not, of course yes, of course you can, of course it is | surely believe, surely know, surely must | undoubtedly true, undoubtedly clear, undoubtedly helpful |
| Antonymes | uncertainly, doubtfully | doubtfully, uncertainly | - | doubtfully, unsure | doubtfully, questionably, uncertainly |
| Erreurs fréquentes | '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 it in formal writing where a different expression is needed., Confusing it with other affirmations like 'certainly' or 'definitely'. | 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. |
| Notes d'usage | Utilise 'certainement' quand tu veux insister sur une affirmation ou un accord. C'est plus formel que 'sûr' et ça passe bien dans un contexte pro, mais ça peut faire un peu trop dans une conversation décontractée.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. | Utilise 'definitely' pour insister sur la certitude. Ça marche bien à l'oral comme à l'écrit. Évite de l'utiliser dans des contextes trop formels où des alternatives comme 'certainly' pourraient être plus appropriées.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. | Utilisé dans des situations informelles et formelles pour affirmer quelque chose d'évident. À éviter dans une écriture très formelle.Used in informal and formal situations to affirm something obvious. Avoid in highly formal writing. | Utilisez 'sûrement' pour exprimer la certitude. C'est approprié dans les contextes parlés et écrits, mais c'est plus courant dans les discussions formelles. Évitez de l'utiliser dans des conversations très décontractées où des mots plus simples comme 'certainement' pourraient mieux convenir.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. | Utilisé pour souligner la certitude ou une forte conviction ; généralement dans des écrits ou des discours formels, peu courant dans les conversations décontractées.Used to emphasize certainty or strong belief; typically in formal writing or speeches, not common in casual conversation. |
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Questions fréquentes : Certainly vs Definitely vs Of course vs Surely vs Undoubtedly
Quelle est la différence entre Certainly, Definitely, Of course, Surely et Undoubtedly ?
Certainly: Definitely; for sure. Definitely: For sure, without a doubt Of course: Definitely, it's obvious. Surely: certainly; without a doubt Undoubtedly: Definitely; without a doubt.
Lequel est le plus formel : Certainly, Definitely, Of course, Surely et Undoubtedly ?
Undoubtedly est le plus formel de tous.
Lequel est le plus avancé : Certainly, Definitely, Of course, Surely et Undoubtedly ?
Undoubtedly est le niveau le plus élevé, à C1, sur l'échelle CEFR.
Peux-tu montrer un exemple de chacun ?
Certainly: Without treatment, she will **almost certainly** die. Definitely: I definitely remember sending the letter. Of course: Are you joining us for dinner tonight? Of course! Surely: Surely we should do something about it? Undoubtedly: She is undoubtedly the best candidate for the position.
Puis-je utiliser Certainly, Definitely, Of course, Surely et Undoubtedly de façon interchangeable ?
Pas toujours. Certainly, Definitely, Of course, Surely et Undoubtedly sont proches et se recoupent parfois, mais elles diffèrent par le registre, la fréquence et l'usage, donc remplacer l'une par l'autre peut changer le sens ou le ton. Regarde les différences ci-dessus avant de substituer.