unreliable

definition: not worthy of reliance or trust
example: in the early 1950s computers were large and expensive and unreliable
speech part: adjective
synonyms: undependable
definition: liable to be erroneous or misleading
example:
speech part: adjective
synonyms: undependable
definition: lacking a sense of responsibility
example:
speech part: adjective
synonyms:
definition: dangerously unstable and unpredictable
example:
speech part: adjective
synonyms: treacherous

unreliable is explained and pronounced

How unreliable is being used?