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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

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

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

To defend the system of forced labor on which their economic survival and genteel lifestyles depended, elite southerners developed several proslavery arguments that they levied at those who would see the institution dismantled.

From Textbooks • Dec. 30, 2014

The chief strength of the proslavery argument that emerged from the Deep South delegation in the congressional debate of March 16–17 was its relentless focus on the impractical dimensions of all plans for abolition.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis