gwrthwynebair

== Welsh == === Etymology === From gwrthwyneb (“opposite, contrary”) +‎ gair (“word”). === Pronunciation === (North Wales) IPA(key): /ɡʊrθwɨ̞ˈnɛbai̯r/ (South Wales) IPA(key): /ɡʊrθwɪˈnɛbai̯r/ === Noun === gwrthwynebair m (plural gwrthwynebeiriau) antonym (word which has the opposite meaning) === Mutation ===