Etymology
Advertisement

unreliable (adj.)

1835 (Fanny Kemble), from un- (1) "not" + reliable (adj.).

Others are reading

Advertisement
Advertisement
Definitions of unreliable

unreliable (adj.)
liable to be erroneous or misleading;
Synonyms: undependable
unreliable (adj.)
not worthy of reliance or trust;
in the early 1950s computers were large and expensive and unreliable
Synonyms: undependable
unreliable (adj.)
dangerously unstable and unpredictable;
an unreliable trestle
Synonyms: treacherous
unreliable (adj.)
lacking a sense of responsibility;
From wordnet.princeton.edu