Noun: unreliability ,ún-ri,lI-u'bi-lu-tee
- The trait of not being dependable or reliable
"His unreliability made it difficult for his colleagues to trust him with important tasks";
- undependability, undependableness, unreliableness, flakiness [informal]
Derived forms: unreliabilities
Type of: irresponsibility, irresponsibleness
Antonym: reliability