Given to frequent changes of mood; temperamental.(adjective)
Subject to periods of depression; sulky.(adjective)
Expressive of a mood, especially a sullen or gloomy mood: a moody silence. (adjective)
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.
Use "moody" in a sentence
"He went through the meal in moody silence, mechanically eating what was before him."
"And I can personally attest that Poe no Ichizoku does indeed contain moody boy vampires making cow-eyes at each other."
"Choco (Chiyoko Sakurai) is the sporty one interested in moody boy Ando."