Untruthful is a derived term of untruthfully.
As an adverb untruthfully
is in an untruthful manner; falsely.
As an adjective untruthful is
not giving the truth; providing untrue facts; lying.
untruthful
English
Adjective
(
en adjective)
Not giving the truth; providing untrue facts; lying.
Pertaining to falsehood; corrupt; dishonest.
Antonyms
* truthful
Derived terms
* untruthfully
* untruthfulness