certain
Pronunciation
Adjective
A1 Beginner
Quick answer
Completely sure about something, without any doubt.
Synonyms and antonyms
Usage notes
"Certain" can also mean "particular but not named", as in "a certain person", a different sense from "sure".
Test yourself
Which word fits the gap? "She was _____ she had locked the door before leaving."
Answer: certain
In your own words, what does "certain" mean?
Completely sure about something, without any doubt.
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