Certainly vs Definitely vs Surely vs Undoubtedly vs Without a doubt

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

Surely

Top 2000 (courant)B1adverb

Undoubtedly

FormelTop 5000 (assez courant)C1adverb

Without a doubt

Top 2000 (courant)
Le plus formel: Undoubtedly
 CertainlyDefinitelySurelyUndoubtedlyWithout a doubt
Prononciation🇬🇧 /["/ˈsɜːtnli/"]/🇺🇸 /["/ˈsɜːrtnli/"]/🇬🇧 /["/ˈdefɪnətli/"]/🇺🇸 /["/ˈdefɪnətli/"]/🇬🇧 /["/ˈʃʊəli//ˈʃɔːli/"]/🇺🇸 /["/ˈʃʊrli/"]/🇬🇧 //ʌnˈdaʊtɪdli//🇺🇸 //ʌnˈdaʊtədli//🇬🇧 //wɪˈðaʊt ə daʊt//🇺🇸 //wɪˈðaʊt ə daʊt//
SensDéfinitivement ; à coup sûr.Definitely; for sure.Pour sûr, sans aucun doute.For sure, without a doubtCertainement ; sans aucun doute.certainly; without a doubtClairement ; sans aucun doute.Definitely; without a doubt.Definitely true; no question about it.
ExempleWithout 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.
RegistreNeutreNeutreNeutreFormelNeutre
FréquenceTop 1000 (très courant)Top 1000 (très courant)Top 2000 (courant)Top 5000 (assez courant)Top 2000 (courant)
Niveau CEFRA2A2B1C1-
Nature grammaticaleadverbadverbadverbadverb
Collocationscertainly agree, certainly possible, certainly not, certainly true, certainly yesdefinitely agree, definitely believe, definitely knowsurely believe, surely know, surely mustundoubtedly true, undoubtedly clear, undoubtedly helpfulbelieve without a doubt, know without a doubt, say without a doubt
Antonymesuncertainly, doubtfullydoubtfully, uncertainlydoubtfully, unsuredoubtfully, 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'.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.
Notes d'usageUtilise '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.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.Used to express strong certainty. Suitable for both spoken and written forms. Avoid in overly formal contexts.

Vois-le dans de vrais extraits

Certainly
Definitely
Surely

Questions fréquentes : Certainly vs Definitely vs Surely vs Undoubtedly vs Without a doubt

Quelle est la différence entre Certainly, Definitely, Surely, Undoubtedly et 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.

Lequel est le plus formel : Certainly, Definitely, Surely, Undoubtedly et Without a doubt ?

Undoubtedly est le plus formel de tous.

Lequel est le plus avancé : Certainly, Definitely, Surely, Undoubtedly et Without a doubt ?

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. 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.

Puis-je utiliser Certainly, Definitely, Surely, Undoubtedly et Without a doubt de façon interchangeable ?

Pas toujours. Certainly, Definitely, Surely, Undoubtedly et Without a doubt 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.