| Main Entry: | |
| Part of Speech: | noun |
| Definition: | secret agent |
| Synonyms: | agitator, firebrand, goad, incendiary, instigator, intelligence agent, noncooperator, operative, provocateur, provocative agent, provoker, rabble-rouser, radical, ringleader, spark, spy, troublemaker |
| Main Entry: | instigator |
| Part of Speech: | noun |
| Definition: | troublemaker |
| Synonyms: | agent provocateur, agitator, firebrand, hellion, incendiary, inciter, inflamer, knave, meddler, mischief-maker, nuisance, provocateur, punk*, rabble-rouser, ringleader, sparkplug, wise guy |
| Main Entry: | stool pigeon |
| Part of Speech: | noun |
| Definition: | informer to police |
| Synonyms: | agent provocateur, betrayer, blabbermouth, canary, decoy, deep throat, double-crosser, fink, fink, informant, informer, narc, narc, nark, nark, plant, police informer, rat, rat fink, rat, shill, sneak, snitch, snitcher, source, spy, squealer, squealer, stoolie, stoolie, tattler, tattletale, tipster, turncoat, weasel, whistle-blower |
| 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 |