As adjectives the difference between untrustworthy and undependable
is that untrustworthy is not deserving of trust; unreliable while undependable is the opposite of dependable.
untrustworthy
English
Adjective
(
en adjective)
Not]] [[deserve, deserving of trust; unreliable.
Synonyms
* inaccurate, insincere, unreliable
Antonyms
* true, accurate, sincere, faithful, reliable.
undependable
English
Usage notes
More undependable would often be expressed as less dependable and most undependable would often be least dependable.
Antonyms
*dependable
Synonyms
*unreliable