triviality n. + Add to list US //ˌtɹɪviˈæɫəˌti// UK //tɹˌɪvɪˈælɪti// triv·i·al·i·ty SynonymsEtymology Synonyms pettinesspuninessslightnesstechnicalitytrifletriviaOrigin From trivial + -ity.