Antonym - definition of antonym by The Free Dictionary
https://www.thefreedictionary.com/antonym
Webantonym ( ˈæntənɪm) n a word that means the opposite of another word: "empty" is an antonym of "full". [C19: from Greek antōnumia, from anti- + onoma name] antonymous adj Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014 an•to•nym
DA: 55 PA: 80 MOZ Rank: 65