Choose the perfect synonym or antonym for the word Being certain or confident about something without a doubt.
Sure
/ʃʊə/Synonyms:
Antonyms:
Examples:
Are you sure about this?She is sure of her answer.
Etymology:
Late Middle English (in the sense safe): from Old French ‘sur’, from Latin ‘securus’, meaning free from care.
Usage Statistics:
386 mentions per 1 million words 
Hint: Frequency according to COCA
Very Often
Hint: Frequency according to COCA
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