lose reason

(redirected from losing their reason)

lose reason

To become insensible; to lose the ability to think rationally or logically; to be unable to reason. A possessive pronoun can be used between "lose" and "reason." My brain was so addled with drugs that I completely lost reason. What is going on with the boss's decisions lately? It's like she's lost her reason.
See also: lose, reason
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

lose one's reason

Fig. to lose one's power of reasoning, possibly in anger. I was so confused that I almost lost my reason. Bob seems to have lost his reason when he struck John.
See also: lose, reason
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The wacky horror Shrooms, which stars Don Wycherley and Sean McGinley, sees a group of American teens losing their reason when they go on a hunt for the notoriously potent magic mushrooms in the Irish countryside.