secretive (about something) tending or liking to hide your thoughts, feelings, actions, etc. from other people He's very secretive about his work. The child became secretive and withdrawn. his highly secretive nature Oxford Collocations Dictionary verbsbe, become adverbextremely, fairly, very, … prepositionabout See full entry Word Originmid 19th cent.: back-formation from secretiveness, suggested by French secrétivité, from secret ‘secret’.
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