know-it-all Synonyms

know-all bull artist attention seeker wise guy smart alec smarty pants egghead show-off narcissist windbag bighead gasbag bag of wind biggety bigmouth big talker wisenheimer wisecracker wiseass wise-ass smarty smartass smart aleck grandstander egomaniac clever clogs hotshot witling egoist contemptuous conceited cocky brain bragger braggart bookman boastful boaster blatherskite egotist egotistical wiseacre trumpeter strutter saucebox ranter pretentious pedagogue overwise malapert