Definition of "troublemaker" []

• One that stirs up trouble or strife. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The conductor/pianist/Olympic-class troublemaker is also promoting his new memoir, Music Quickens Time (at least that's the American title, anyway)."
• "He brought an impish energy to his role as harbor patrolman and became known as a troublemaker when he first came to the harbor in 1985."
• "First Impression: Thanos is described as a troublemaker who’s quick to anger."