not partial or biased; fair; just: an impartial judge.

Origin of impartial

First recorded in 1585–95; im-2 + partial
Related formsim·par·ti·al·i·ty [im-pahr-shee-al-i-tee] /ɪmˌpɑr ʃiˈæl ɪ ti/, im·par·tial·ness, nounim·par·tial·ly, adverbpseu·do·im·par·tial, adjectivepseu·do·im·par·tial·ly, adverbqua·si-im·par·tial, adjectivequa·si-im·par·tial·ly, adverbun·im·par·tial, adjectiveun·im·par·tial·ly, adverb

Synonyms for impartial

Antonyms for impartial Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for unimpartial



not prejudiced towards or against any particular side or party; fair; unbiased
Derived Formsimpartiality or impartialness, nounimpartially, adverb
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

Word Origin and History for unimpartial



formed in English 1590s from assimilated form of in- (1) "not, opposite of" + partial. First recorded in "Richard II."

Online Etymology Dictionary, © 2010 Douglas Harper