unreliableness unreliable • unreliably · · · Info · Definitions · Synonyms · Antonyms · Characters · · unreliableness · · Text Latin · · Script 14 · · Length Definitions · · · (noun) the trait of not being dependable or reliable. Synonyms: undependability, undependableness, unreliability. · · Noun Definition 1 Synonyms · · · undependability · · Synonym 1 undependableness · · Synonym 2 unreliability · · Synonym 3 Antonyms · · · dependability · · Antonym 0 dependableness · · Antonym 1 reliability · · Antonym 2 reliableness · · Antonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075