We found one dictionary that defines the word opposite words:

General (1 matching dictionary)

1. opposite words: Vocabulary.com

(Note: See opposite_word as well.)

Definitions from WordNet (opposite word) ▸ noun:  two words that express opposing concepts ▸ Also see opposite_word Opposite: antonyms, contronyms, autoantonyms, Janus words, reverse words ▸ Words similar to opposite words ▸ Usage examples for opposite words ▸ Idioms related to opposite words ▸ Wikipedia articles (New!) ▸ Words that often appear near opposite words ▸ Rhymes of opposite words ▸ Invented words related to opposite words