gwrthwynebwr

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