untruthful

As an adjective untruthful

is not giving the truth; providing untrue facts; lying.

As a noun slander is

a false or unsupported, malicious statement (spoken or published), especially one which is injurious to a person's reputation; the making of such a statement.

As a verb slander is

to utter a slanderous statement.

As adjectives the difference between untruthful and distrustful

is that untruthful is not giving the truth; providing untrue facts; lying while distrustful is marked by distrust; doubtful; suspicious.

As adjectives the difference between untrustworthy and untruthful

is that untrustworthy is not]] [[deserve|deserving of trust; unreliable while untruthful is not giving the truth; providing untrue facts; lying.

As a noun liar

is one who tells lies.

As an adjective untruthful is

not giving the truth; providing untrue facts; lying.

As adjectives the difference between untruthful and confusing

is that untruthful is not giving the truth; providing untrue facts; lying while confusing is difficult to understand; not clear as lacking order, chaotic etc.

As a verb confusing is

.

As an adjective untruthful is

not giving the truth; providing untrue facts; lying.

As adjectives the difference between untruthful and deceitful

is that untruthful is not giving the truth; providing untrue facts; lying while deceitful is deliberately misleading or cheating.

As adjectives the difference between perfidious and untruthful

is that perfidious is of, pertaining to, or representing perfidy; disloyal to what should command one's fidelity or allegiance while untruthful is not giving the truth; providing untrue facts; lying.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective untruthful is

not giving the truth; providing untrue facts; lying.