untrue

/ʌnˈtru/
adjective
  1. Not true; false or incorrect.
    • He made several untrue statements during the interview.
    • It is untrue that she quit her job.
    • The rumor turned out to be untrue.
  2. Not loyal or faithful; disloyal (formal or literary).
    • He was untrue to his promises.
    • She felt he had been untrue to their friendship.
    • The knight was never untrue to his king.
Antonyms
What does "untrue" mean? | whatsthatwordmean | whatsthatwordmean