in opposition to; contrary to; adverse or hostile to: twenty votes against ten;against reason.
in resistance to or defense from: protection against burglars.
in an opposite direction to: to ride against the wind.
in contact with: to lean against the wall.
in preparation for; in provision for: money saved against a rainy day.
having as background: a design of flowers against a dark wall.
in exchange for; as a balance to or debit or charge on: He asked for an advance against his salary.
in competition with: a racehorse running against his own record time.
in comparison or contrast with: a matter of reason as against emotion.
Archaic. before; by the time that.
Idioms about against
positioned across from or opposite; facing: The debate teams were seated over against each other.
in contrast with: rich people over against poor people.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use against in a sentence
To those who agreed with him, Bush pledged that the law against same-sex marriage would remain intact.
To his critics, he explained—sometimes at painful length—his reasoning against it.
This is a blow against freedom of speech, we were told, by the likes of Homeland Security chief Jeh Johnson.Politicians Only Love Journalists When They're Dead | Luke O’Neil | January 8, 2015 | THE DAILY BEAST
Spouting off against police online has become criminalized in recent weeks.Politicians Only Love Journalists When They're Dead | Luke O’Neil | January 8, 2015 | THE DAILY BEAST
The reason we were liberals is we were against oppression.Bill Maher: Hundreds of Millions of Muslims Support Attack on ‘Charlie Hebdo’ | Lloyd Grove | January 8, 2015 | THE DAILY BEAST
Do not the widow's tears run down the cheek, and her cry against him that causeth them to fall?The Bible, Douay-Rheims Version | Various
Vain also was the valour and ability he showed in the campaign against the Royalists in La Vende.Napoleon's Marshals | R. P. Dunn-Pattison
Beginners must be warned against mistaking the edges of cells, or particles which have retained the red stain, for bacilli.A Manual of Clinical Diagnosis | James Campbell Todd
Whether they had ever, at different times, pleaded for or against the same cause, and cited precedents to prove contrary opinions?Gulliver's Travels | Jonathan Swift
He leant against the wall of his refuge, notwithstanding this boast, and licked the ice to moisten his parched lips.The Giant of the North | R.M. Ballantyne
British Dictionary definitions for against
opposed to; in conflict or disagreement with: they fought against the legislation
standing or leaning beside or in front of: a ladder against the wall
coming in contact with: the branches of a tree brushed against the bus
in contrast to: silhouettes are outlines against a light background
having an adverse or unfavourable effect on: the economic system works against small independent companies
as a protection from or means of defence from the adverse effects of: a safeguard against contaminated water
in exchange for or in return for
rare in preparation for: he gave them warm clothing against their journey through the night
as against as opposed to or as compared with: he had two shots at him this time as against only one last time
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 against
In addition to the idioms beginning with against
- against all odds
- against one's better judgment
- against one's will
- against the clock
- against the grain
- against the tide
- beat one's head against the wall
- cards are stacked against
- come up against
- count against
- dead set against
- guard against
- have something against
- hold something against
- lift a hand against
- over against
- pit someone against
- run against
- set against
- swim against
- turn against
- two strikes against
- up against
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.