gorffwylledd

== Welsh == === Etymology === gorffwyll (“mad, insane”) +‎ -edd. === Pronunciation === (North Wales) IPA(key): /ɡɔrˈfʊɨ̯ɬɛð/ (South Wales) IPA(key): /ɡɔrˈfʊi̯ɬɛð/ === Noun === gorffwylledd m (uncountable) insanity, madness, lunacy Synonyms: gorffwylltra, gwallgofrwydd, ynfydrwydd === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “gorffwylledd”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “gorffwylledd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies