Found 2 items, similar to instigant.
English → English (WordNet) Definition: instigant instigant n : someone who deliberately foments trouble; “she was the instigator of their quarrel” [syn: instigator, provoker, inciter, firebrand]
English → English (gcide) Definition: instigant instigant \instigant\ n. one who instigates; someone who deliberately provokes trouble; an instigator. Syn: instigator, provoker, inciter. [WordNet 1.5]