in a bad mood

in a bad mood idiom
In an irritable or depressed state of mind. For example, Dad's in a bad mood, so don't ask for anything right now. The antonym, in a good mood, refers to a cheerful, well-disposed state of mind, as in When the boss is in a good mood our whole day goes well. The phrase in a mood, meaning “disposed” or “inclined,” dates from about a.d. 1000. Also see in the mood.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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