| Main Entry: | |
| Part of Speech: | noun |
| Definition: | person making wise remarks |
| Synonyms: | know-it-all, smart alec, smart-ass, smarty, smarty pants, swellhead, wise guy, wise-ass, wisenheimer |
| Main Entry: | cocky/cocksure |
| Part of Speech: | adjective |
| Definition: | self-assured, full of oneself |
| Synonyms: | arrogant, brash, bumptious, certain, conceited, confident, egotistical, hotdogging, hotshot, hubristic, know-it-all, lordly, nervy, overconfident, overweening, positive, presumptuous, self-confident, smart aleck, smart guy, smarty, smarty pants, sure, swaggering, swollen-headed, vain, wise guy |
| Antonyms: | humble, modest, uncertain, unself-confident, unsure |
| Main Entry: | hellion |
| Part of Speech: | noun |
| Definition: | troublemaker |
| Synonyms: | agent provocateur, agitator, demon, evildoer, firebrand, heel, incendiary, inciter, inflamer, instigator, loose cannon, mischief-maker, punk*, rabble-rouser, rascal, recreant, rogue, rowdy*, smart aleck, wise guy |
| Main Entry: | know-it-all |
| Part of Speech: | noun |
| Definition: | one who claims full knowledge |
| Synonyms: | braggart, brain, brain*, intellectual, smart aleck, smart aleck, smart-ass, smarty-pants, walking encyclopedia, windbag, wise guy, wiseacre |
| Main Entry: | troublemaker |
| Part of Speech: | noun |
| Definition: | person who causes a problem |
| Synonyms: | agent provocateur, agitator, bad actor, firebrand, gremlin, heel, hellion, incendiary, inciter, inflamer, instigator, loose cannon, meddler, mischief-maker, nuisance, phony*, punk*, rabble-rouser, rascal, recreant, smart aleck, snake*, stormy petrel, weasel |
| Antonyms: | peacemaker |
| Main Entry: | cocky |
| Part of Speech: | adjective |
| Definition: | self-assured |
| Synonyms: | arrogant, brash, bumptious, certain, cocksure, conceited, confident, egotistical, hotdogger, hotshot, hubristic, know-it-all, lordly, nervy, overconfident, overweening, positive, presumptuous, self-confident, smart aleck, smart guy, smarty, smarty pants, sure, swaggering, swollen-headed, vain, wise guy |
| Antonyms: | humble, modest, shy, tentative, timid, uncertain, unsure |