Choose the perfect synonym or antonym for the word Sure about something without any doubt.
Certain
/ˈsɜːtn/Synonyms:
Antonyms:
Examples:
That night, he took the book to a certain bar.
'I am certain of it,' said Nicholas, pausing to reflect.
But there were certain difficulties in the way.
Etymology:
Derived from Middle English certeyn, from Old French certain, rooted in Latin certanus meaning determined, fixed, from certus—sure, determined. Evolved to express assurance and absence of doubt.
Usage Statistics:
155 mentions per 1 million words 
Hint: Frequency according to COCA
Very Often
Hint: Frequency according to COCA
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