leave out

leave out idiom
Omit, fail to include, as in This sentence doesn't make sense; a key word has been left out. [Late 1400s]

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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