gwrthwynebydd

== Welsh == === Etymology === From gwrthwynebu (“to oppose”) +‎ -ydd. === Pronunciation === (North Wales) IPA(key): /ˌɡʊrθwɨ̞ˈnɛbɨ̞ð/ (South Wales) IPA(key): /ˌɡʊrθwɪˈneːbɪð/, /ˌɡʊrθwɪˈnɛbɪð/ === Noun === gwrthwynebydd m (plural gwrthwynebwyr) opposer, opponent Synonym: gwrthwynebwr === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gwrthwynebydd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies