autoantonym

A1U1T1O1A1N1T1O1N1Y4M3

noun

A word that has two opposing meanings.

“Near-synonym: enantioseme”

Scrabble 16

Meanings

nounautoantonym (plural autoantonyms)

plural autoantonyms

  1. rareA word that has two opposing meanings.

    Near-synonym: enantioseme

    Synonyms: contronym, contranym, enantioseme

Synonyms & antonyms

nounA word that has two opposing meanings.

Origin

From auto- + antonym. Coined or reported as autantonym by Joseph T. Shipley in 1960.

Full word history & related roots →
Cite this entry
APA

autoantonym. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/autoantonym

MLA

“autoantonym.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/autoantonym. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “autoantonym,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/autoantonym.

Source: autoantonym on Wiktionary, CC BY-SA 4.0.