unreliability n. + Add to list US //ˌənɹiˌɫaɪəˈbɪɫɪti// UK //ˌʌnɹɪlˌaɪəbˈɪlɪti// un·re·li·a·bil·i·ty SynonymsAntonyms Synonyms undependabilityundependablenessunreliableness Antonyms dependabilitydependablenessreliabilityreliableness