unreliable

Definition of Unreliable in English :

1. undependable, unreliable

liable to be erroneous or misleading

Example Sentences:
'an undependable generalization'

2. undependable, unreliable

not worthy of reliance or trust

Example Sentences:
'in the early 1950s computers were large and expensive and unreliable'
'an undependable assistant'

3. treacherous, unreliable

dangerously unstable and unpredictable

Example Sentences:
'treacherous winding roads'
'an unreliable trestle'

4. unreliable

lacking a sense of responsibility

WordNet Lexical Database for English. Princeton University. 2010.

Unreliable

adjective

not reliable; untrustworthy

an unreliable witness

adj.

Marked by or exhibiting a lack of reliability.

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