IPA: /ˌæntəˈnɪmɪk/
KK: /æn'tɑnɪmɪk/
Relating to a word that has the opposite meaning of another word.
The words 'hot' and 'cold' are antonymic to each other.
Antonymic → It is formed from "anti-" (meaning against) and "onym" (from Greek "onuma", meaning name) and the suffix "-ic" (meaning pertaining to). The word describes something that pertains to names that are opposite or against each other.
Think of 'anti-' meaning against and 'onym' meaning name — antonymic refers to names that are opposite.