certainly - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “certainly”

See all translations

certainly

adverb uk   /ˈsɜː.tən.li/  us   /ˈsɝː-/

certainly adverb (IN NO DOUBT)

A2 used to reply completely or to emphasize something and show that there is no doubt about it: She certainly had a friend called Mark, but I don't know whether he was her boyfriend. "This is rather a difficult question." "Yes, it's certainly not easy." "Do you think more money should be given to education?" "Certainly!" "Had you forgotten about our anniversary?" "Certainly not! I've reserved a table at Michel's restaurant for this evening."A2 used when agreeing or disagreeing strongly to a request: "Could you lend me £10?" "Certainly." "Did you take any money out of my purse?" "Certainly not!"
More examples

certainly adverb (EXTREMELY LIKELY)

very likely to happen: She will certainly win the election if the opinion polls are accurate.
(Definition of certainly from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of certainly?
Add Cambridge dictionaries to your browser to your website

Definitions of “certainly” in other dictionaries

Word of the Day

force somebody's hand

to make someone do something they do not want to do, or act sooner than they had intended

Word of the Day

Go ahead! (Phrasal verbs with ‘go’)

by Kate Woodford,
May 06, 2015
​​​ Every few weeks, we focus on phrasal verbs that are formed with a particular verb. This week, we’re looking at phrasal verbs that start with the verb ‘go’. As ever, we present a range of the most useful and common phrasal verbs. Some of the most common ‘go’ phrasal verbs are easy

Read More 

Evel abbreviation

May 04, 2015
English votes for English laws; the idea that only English (as opposed to Scottish, Welsh or Irish) MPs should be allowed to vote for laws that affect only England Yet these are the two principal constitutional proposals that have come from the Conservative party in its kneejerk response to Ukip’s English nationalism and

Read More