proslavery

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

adjective

favoring slavery.
U.S. History. favoring the continuance of the institution of slavery of blacks, or opposed to interference with it.

noun

the favoring or support of slavery.

Origin of proslavery

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

OTHER WORDS FROM proslavery

pro·slav·er, nounpro·slav·er·y·ism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for proslavery

proslavery
/ (ˌprəʊˈsleɪvərɪ) /

adjective

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