English Meaning & Definitions
Without any doubt; definitely; surely.
- “I will certainly attend the meeting tomorrow.”
- “She is certainly the most qualified applicant for this position.”
Used to express consent, agreement, or permission in a polite and emphatic manner.
- “"Could you please pass the salt?" "Certainly."”
- “"May I borrow your laptop for a moment?" "Certainly, go ahead."”
English Synonyms & Near Equivalents
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “certainly”.
Derived from the Middle English 'certain' (originating from Old French, based on the Latin 'certus' meaning 'settled, sure, or established') combined with the adverbial suffix '-ly'. It has been used since the 14th century to express absolute conviction, emphasis, or assent.
Connect 'certainly' to 'certify'. When you certify something, you make it official and 100% sure.
Frequently Asked Questions About “certainly”
1. What is the meaning of “certainly” in English?
In English, certainly (adverb) is defined as: “Without any doubt; definitely; surely.”.
2. How do you use “certainly” in a sentence?
“I will certainly attend the meeting tomorrow.”
3. What are English synonyms of “certainly”?
4. What is the etymology and word origin of “certainly”?
Derived from the Middle English 'certain' (originating from Old French, based on the Latin 'certus' meaning 'settled, sure, or established') combined with the adverbial suffix '-ly'. It has been used since the 14th century to express absolute conviction, emphasis, or assent.
🇬🇧More English Words to English
View all English words →The base unit of time in the International System of Units (SI), equal to the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
A specific duration of time equal to one hour and forty-six minutes and twelve seconds.
The cardinal number equal to one thousand million (1,000,000,000), expressed in scientific notation as 10^9.
A specific duration of time equivalent to one hour and forty-six minutes.