WordReference Random House Unabridged Dictionary of American English © 2025
un•re•li•a•ble
(un′ri lī′ə bəl),USA pronunciation adj.
un′re•li′a•bil′i•ty, un′re•li′a•ble•ness, n.
un′re•li′a•bly, adv.
- not reliable;
not to be relied or depended on.
- un-1 + reliable 1830–40
un′re•li′a•bly, adv.
- undependable, irresponsible, untrustworthy.
'unreliability' also found in these entries (note: many are not synonyms or translations):