ynfyd

== Welsh == === Adjective === ynfyd (feminine singular ynfyd, plural ynfyd, equative mor ynfyd, comparative mwy ynfyd, superlative mwyaf ynfyd) idiotic, silly, stupid Synonyms: ffôl, gwirion, twp mad Synonyms: gwallgof, gorffwyll ==== Derived terms ==== ynfydrwydd (“idiocy, madness”) ynfydu (“to become foolish”) ynfytyn (“idiot, maniac”) === Noun === ynfyd m (plural ynfydion or ynfydiaid) madman, loony Synonyms: gwallgofddyn, lloerig, ynfytyn === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “ynfyd”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “ynfyd”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies