lose sight of

lose sight of idiom
Overlook, fail to take into account, as in We must not lose sight of our main objective, or Beverly never lost sight of her humble beginnings. This metaphoric expression alludes to physical sight. [Early 1700s] For an antonym, see bear in mind.

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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