complementary antonym

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|semantics}} A [[term]] whose meaning is the {{l|en|complement|id=logic}} of another term, in an either-or fashion, such as ''mortal'' in relation to ''immortal''.
2. {{lb|en|linguistics|philosophy|semantics}} One of a pair of words wherein [[affirmative]] use of one [[entail]]s the [[negative]] of the other with no [[gradability]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.