no earthly reason
no earthly reason
No conceivable or practical reason. You had all day, so there's no earthly reason you couldn't have finished this on time! It's very sweet that you bought me a laptop, dear, but I'm 85—I have no earthly reason to use one of those things!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
no earthly reason
no conceivable reason. There is no earthly reason for your rude behavior. I can think of no earthly reason why the repairs should cost so much.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
no earthly reason
n. no conceivable reason. I can think of no earthly reason why the repairs should cost so much.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.