As adjectives the difference between untrustworthy and untruthful
is that untrustworthy is not deserving of trust; unreliable while untruthful is not giving the truth; providing untrue facts; lying.
untrustworthy
English
Adjective
(
en adjective)
Not]] [[deserve, deserving of trust; unreliable.
Synonyms
* inaccurate, insincere, unreliable
Antonyms
* true, accurate, sincere, faithful, reliable.
untruthful
English
Adjective
(
en adjective)
Not giving the truth; providing untrue facts; lying.
Pertaining to falsehood; corrupt; dishonest.
Antonyms
* truthful
Derived terms
* untruthfully
* untruthfulness