ynfydrwydd

== Welsh == === Etymology === ynfyd (“idiotic”) +‎ -rwydd. === Pronunciation === (North Wales) IPA(key): /ənˈvədrʊɨ̯ð/ (South Wales) IPA(key): /ənˈvədrʊi̯ð/ === Noun === ynfydrwydd m (uncountable) foolishness, silliness, stupidity Synonyms: ffolineb, gwiriondeb, twpdra madness, insanity Synonyms: gwallgofrwydd, gorffwylledd === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “ynfydrwydd”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “ynfydrwydd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies