Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: unreliable  ,ún-ri'lI-u-bul
  1. Liable to be erroneous or misleading
    "an unreliable generalization";
    - undependable
     
  2. Not worthy of reliance or trust
    "in the early 1950s computers were large and expensive and unreliable";
    - undependable
     
  3. Dangerously unstable and unpredictable
    "an unreliable trestle";
    - treacherous
     
  4. Lacking a sense of responsibility

See also: dangerous, erratic, fallible, irresponsible, temperamental, uncertain, unsafe, unsound, untrustworthy, untrusty

Antonym: reliable

Encyclopedia: Unreliable