[ kleen-out ]

  1. an act of cleaning out.

  2. an opening or passage giving access to a place that requires occasional cleaning, as a soil pipe.

Origin of cleanout

1885–90, Americanism; noun use of verb phrase clean out Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cleanout in a sentence

  • I'm as darned sure as though he'd told me himself that Riel means to stamp the whole crowd of whites clean out of the land.

    Menotah | Ernest G. Henham
  • There's some vile plot laid against Howard, but if he doesn't come clean out of it with flying colors, call me a simpleton.

  • If this is done, a Y-branch should be placed in the hub of the clean-out.

    Elements of Plumbing | Samuel Dibble
  • The Y-branch should be used for the fresh air and the run should be used for a clean-out.

    Elements of Plumbing | Samuel Dibble

British Dictionary definitions for clean out

clean out

verb(tr, adverb)
  1. (foll by of or from) to remove (something) (from or away from)

  2. slang to leave (someone) with no money: gambling had cleaned him out

  1. informal to exhaust (stocks, goods, etc) completely

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with cleanout


See clean up, def. 1.

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