[ kleen-uhp ]
See synonyms for cleanup on
  1. the act or process of cleaning up.

  2. Slang. a very large profit: The company made a real cleanup on their new invention.

  1. Baseball.

    • the fourth position in the batting order: Our best home-run hitter is batting cleanup.

    • the player who bats in this position.

Origin of cleanup

1865–70, Americanism; noun use of verb phrase clean up Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cleanup in a sentence

  • Besides, Mr. Hofer is one of that small millionaire group that is trying to clean up San Francisco municipally.

    Ancestors | Gertrude Atherton
  • "If we clean up on the Dangerfield gang, it will be you as helped more'n anybody else," dropped in a third.

    Motor Matt's "Century" Run | Stanley R. Matthews
  • Disappointed, I went back to my farm, and resolved to clean up the path through the pines, to surprise her.

    The Idyl of Twin Fires | Walter Prichard Eaton
  • "It might tickle him to go to the senate, particularly if he had a score to clean up in connection with it," remarked Ware.

    A Hoosier Chronicle | Meredith Nicholson
  • It appears that what the sheep do not eat in the way of burrs they gather in their wool, and in that way clean up the farm.

British Dictionary definitions for clean up

clean up

  1. to rid (something) of dirt, filth, or other impurities

  2. to make (someone or something) orderly or presentable

  1. (tr) to rid (a place) of undesirable people or conditions: the campaign against vice had cleaned up the city

  2. (intr) informal to make a great profit

    • the process of cleaning up or eliminating something

    • (as modifier): a cleanup campaign

  1. informal, mainly US a great profit

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 cleanup


Also, clean out. Make clean or orderly, as in She cleaned up the cellar after the flood, or Dad said he cleaned out the garage. [First half of 1800s]

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