untruthful

Intruthful is likely misspelled.

Intruthful has no English definition.

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.

As adjectives the difference between untruthful and mistruthful

is that untruthful is not giving the truth; providing untrue facts; lying while mistruthful is untruthful; lying.

As adjectives the difference between untruthful and uncommon

is that untruthful is not giving the truth; providing untrue facts; lying while uncommon is rare; not readily found; unusual.