rhwystredigaeth

== Welsh == === Etymology === From rhwystredig (“frustrated”) +‎ -aeth. === Pronunciation === (North Wales, standard) IPA(key): /ˌr̥ʊɨ̯sdrɛˈdɨ̞ɡaɨ̯θ/, [ˌr̥ʰʊɨ̯strɛˈdɨ̞ɡaɨ̯θ] (North Wales, colloquial) IPA(key): /ˌr̥ʊɨ̯sdrɛˈdɨ̞ɡɛθ/, [ˌr̥ʰʊɨ̯strɛˈdɨ̞ɡɛθ], /ˌr̥ʊɨ̯sdrɛˈdɨ̞ɡaθ/, [ˌr̥ʰʊɨ̯strɛˈdɨ̞ɡaθ] (South Wales, standard) IPA(key): /r̥ʊi̯sdrɛˈdiːɡai̯θ/, [r̥ʰʊi̯sdrɛˈdiːɡai̯θ], /r̥ʊi̯sdrɛˈdɪɡai̯θ/, [r̥ʰʊi̯strɛˈdɪɡai̯θ] (South Wales, colloquial) IPA(key): /r̥ʊi̯sdrɛˈdiːɡɛθ/, [r̥ʰʊi̯sdrɛˈdiːɡɛθ], /r̥ʊi̯sdrɛˈdɪɡɛθ/, [r̥ʰʊi̯strɛˈdɪɡɛθ] === Noun === rhwystredigaeth f (plural rhwystredigaethau) frustration Synonym: llesteiriant === Mutation === === Further reading === R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “rhwystredigaeth”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies