untrue

Từ điển Oxford Advanced Learner 8th

un·true BrE [ʌnˈtruː] NAmE [ʌnˈtruː] adjective
1. not true; not based on facts
•These accusations are totally untrue.
•an untrue claim
•It is untrue to say that something like this could never happen again.
2. ~ (to sb/sth) (formal)not loyal to sb/sth
Syn: ↑unfaithful
•If he agreed to their demands, he would have to be untrue to his own principles.
Opp: ↑true

Word Origin:
[untrue] Old English untrēowe ‘unfaithful’ (see ↑un-, ↑true).

• Từ đồng nghĩa / Synonyms:
  false, out of true