Untruthful

The teacher caught the student being untruthful about completing the homework.

The detective suspected the suspect of being untruthful about his alibi.

He has a reputation for being untruthful in business dealings.

The politician's untruthful statements during the debate were exposed by fact-checkers.

Her untruthful statements damaged her credibility as a journalist.

He gave an untruthful account of his whereabouts on the night of the crime.

The defendant's untruthful testimony damaged his credibility in court.

The insurance company accused the claimant of providing untruthful information.

The student was reprimanded for submitting an untruthful report.

The witness was caught being untruthful during the cross-examination.

The witness was caught being untruthful during the trial.

She accused her friend of being untruthful about borrowing her clothes.