Princeton's WordNet

1. untrue(adj)

   not according with the facts

   "unfortunately the statement was simply untrue"

2. untrue(adj)

   not true to an obligation or trust

   "is untrue to his highest opportunity and duty"-Bruno Laske

3. out of true, untrue(adj)

   not accurately fitted; not level

   "the frame was out of true"; "off-level floors and untrue doors and windows"

4. false, untrue(adj)

   (used especially of persons) not dependable in devotion or affection; unfaithful

   "a false friend"; "when lovers prove untrue"

Kernerman English Learner's Dictionary

1. untrue(adjective)ʌnˈtru

   not true; = false

   The reports on the Internet are completely untrue.

Wiktionary

1. untrue(Adjective)

   False; not true.

Webster Dictionary

1. Untrue(adj)

   not true; false; contrary to the fact; as, the story is untrue

2. Untrue(adj)

   not faithful; inconstant; false; disloyal

3. Untrue(adverb)

   untruly

• onwaarAfrikaans
• غَيْر صَحيح، كاذِبArabic
• неверенBulgarian
• falsoPortuguese (BR)
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• valeEstonian
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• 허위의Korean
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• 不是真的，假的Chinese (Trad.)
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• جھوٹا، غلطUrdu
• không đúng, saiVietnamese
• 不真实的Chinese (Simp.)