Meaning : Worthy of reliance or trust.
Example :
A reliable source of information.
A dependable worker.
Synonyms : reliable
Not worthy of reliance or trust.
In the early 1950s computers were large and expensive and unreliable.Meaning : Consistent in performance or behavior.
Example :
Dependable in one's habits.
A steady-going family man.
Synonyms : rock-steady, steady-going