bygythiol

== Welsh == === Alternative forms === bygythol === Etymology === bygwth (“to threaten”) +‎ -iol === Pronunciation === IPA(key): /bəˈɡəθjɔl/ === Adjective === bygythiol (feminine singular bygythiol, plural bygythiol, equative mor fygythiol, comparative mwy bygythiol, superlative mwyaf bygythiol) menacing, threatening Synonyms: anghynnes, peryglus === Mutation === === Further reading === D. G. Lewis, N. Lewis, editors (2005–present), “bygythiol”, in Gweiadur: the Welsh–English Dictionary, Gwerin R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “bygythiol”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies