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Meaning of certain
The primary meaning of "certain" is having no doubt or uncertainty about something.
Etymology of certain
The word "certain" comes from the Old French word "certain", which is derived from the Latin word "certus", meaning "fixed" or "settled", and is related to the Latin word "cernere", meaning "to separate" or "to distinguish"
Synonyms
sure
confident
convinced
positive
definite
clear
obvious
evident
apparent
unmistakable
undeniable
indisputable
unquestionable
unambiguous
absolute
firm
fixed
settled
decided
determined
assured
guaranteed
secure
reliable
trustworthy
dependable
credible
believable
plausible
probable
likely
expected
anticipated
predicted
foreseeable
inevitable
inescapable
unavoidable
Definitions
- Having no doubt or uncertainty about something
- * Known or established to be true
- * Fixed or settled, and not likely to change
Usage Examples
- I am certain that I will be there on time
- * She was certain that she had locked the door
- * It is certain that the company will make a profit this year
Antonyms
uncertain
unsure
doubtful
questionable
ambiguous
unclear
vague
indefinite
unknown
unpredictable
unreliable
untrustworthy
insecure
dubious
skeptical
hesitant
indecisive
wavering
vacillating
tentative
provisional
debatable
disputable