English Meaning & Definitions
A firm conviction that something is the case, or the state of being free from doubt.
- “She spoke about the future of the project with absolute certainty.”
- “There is no absolute certainty that the weather will hold for the wedding.”
A fact that is definitely true or an event that is definitely going to take place.
- “His promotion next year is a virtual certainty.”
- “Death and taxes are often cited as the only true certainties in life.”
English Synonyms & Near Equivalents
English Antonyms & Opposites
Comprehensive Thesaurus Breakdown
Compare formal, informal, literary synonyms and register nuances for “certainty”.
Derived from Middle English 'certainte', from Old French 'certainté', based on the Late Latin 'certantitat-', from Latin 'certus' meaning 'determined, resolved, or sure'.
Think of the word 'certain' inside 'certainty'—if you are certain about something, you have absolute certainty.
Frequently Asked Questions About “certainty”
1. What is the meaning of “certainty” in English?
In English, certainty (noun) is defined as: “A firm conviction that something is the case, or the state of being free from doubt.”.
2. How do you use “certainty” in a sentence?
“She spoke about the future of the project with absolute certainty.”
3. What are English synonyms of “certainty”?
4. What is the etymology and word origin of “certainty”?
Derived from Middle English 'certainte', from Old French 'certainté', based on the Late Latin 'certantitat-', from Latin 'certus' meaning 'determined, resolved, or sure'.
🇬🇧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.