Below are possible answers for the crossword clue Totally certain about something.
9 letter answer(s) to totally certain about something
CONVINCED
having a strong belief or conviction; "a convinced and fanatical pacifist"
make (someone) agree, understand, or realize the truth or validity of something; "He had finally convinced several customers of the advantages of his product"
persuaded of; very sure; "were convinced that it would be to their advantage to join"; "I am positive he is lying"; "was confident he would win"
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