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off the beam



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Idioms and Phrases

Off course, on the wrong track, as in He's way off the beam with that argument . This colloquial term and its antonym, on the beam , meaning “on the right track,” allude to directing aircraft by means of radio beams. [ Colloquial ; mid-1900s]

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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