Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: instigator  'in-stu,gey-tu(r)
  1. Someone who deliberately foments trouble
    "she was the instigator of their quarrel";
    - provoker, inciter, instigant, firebrand
  2. A person who initiates a course of action
    - initiator

Derived forms: instigators

Type of: bad hat, leader, mischief-maker, trouble maker, troublemaker, troubler

Encyclopedia: Instigator