[ round-uhp ]
See synonyms for roundup on
  1. the driving together of cattle, horses, etc., for inspection, branding, shipping to market, or the like, as in the western U.S.

  2. the people and horses who do this.

  1. the herd so collected.

  2. the gathering together of scattered items or groups of people: a police roundup of suspects.

  3. a summary, brief listing, or résumé of related facts, figures, or information: Sunday's newspaper has a sports roundup giving the final score of every baseball game of the past week.

Origin of roundup

First recorded in 1760–70; noun use of verb phrase round up Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use roundup in a sentence

  • If the Mounted Police are half as good man-hunters as they are said to be, they ought to round up that bunch in short order.

    Raw Gold | Bertrand W. Sinclair
  • Deacon Pettybone was a busy man, organizing the forces of the Baptists, and seeking diligently to round up the votes of neutrals.

    Scattergood Baines | Clarence Budington Kelland
  • Scattergood went to see Mr. Linderman; McCann went out to round up five hundred shares of stock.

    Scattergood Baines | Clarence Budington Kelland
  • It'll take us an hour or two to round up and load the horses, but there's no need for you to wait.

  • The effect of the alteration has been to lengthen the keel, and perhaps to round up the forefoot a little.

    Yachting Vol. 2 | Various.

British Dictionary definitions for round up

round up

verb(tr, adverb)
  1. to gather (animals, suspects, etc) together: to round ponies up

  2. to raise (a number) to the nearest whole number or ten, hundred, or thousand above it: Compare round down

  1. the act of gathering together livestock, esp cattle, so that they may be branded, counted, or sold

  2. any similar act of collecting or bringing together: a roundup of today's news

  1. a collection of suspects or criminals by the police, esp in a raid

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 roundup


see head for (the last roundup). Also see round up.

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