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proslavery

American  
[proh-sley-vuh-ree, -sleyv-ree] / proʊˈsleɪ və ri, -ˈsleɪv ri /

adjective

  1. favoring slavery.

  2. U.S. History. favoring the continued enslavement of Black people, or opposed to ending or altering the institution of slavery.


noun

  1. the favoring or support of slavery.

proslavery British  
/ ˌprəʊˈsleɪvərɪ /

adjective

  1. in favour of or supporting slavery

"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 Word Forms

  • proslaver noun
  • proslaveryism noun

Etymology

Origin of proslavery

An Americanism dating back to 1830–40; pro- 1 + slavery

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When a Kentucky constitutional convention finally did meet, it was dominated by conservatives who actually strengthened the proslavery laws, to Clay’s chagrin.

From The Wall Street Journal • Dec. 3, 2025

But although Johnson, an abolitionist, intended the scene to humanize African Americans, the artwork would go on to be used as proslavery propaganda.

From Washington Post • Dec. 17, 2022

His father, Philip, worked for Buchanan’s Democratic Party and lived on F Street NW between 13th and 14th streets, in a largely proslavery neighborhood.

From Washington Post • Dec. 17, 2022

More-pragmatic abolitionists declined to abandon politics and insisted that the true spirit of the Constitution supported liberty, regardless of its proslavery compromises.

From Textbooks • Jan. 18, 2018

Public opinion on the issue was mixed; there were proslavery Northerners and antislavery Southerners.

From "American Spirits" by Barb Rosenstock