We found 30 dictionaries that define the word untrue:

General (26 matching dictionaries)

1. untrue: Longman Dictionary of Contemporary English
2. untrue: Merriam-Webster
3. untrue: Oxford Learner's Dictionaries
4. untrue: American Heritage Dictionary of the English Language
5. untrue: Collins English Dictionary
6. untrue: Vocabulary.com
7. Untrue, untrue: Wordnik
8. untrue: Cambridge Advanced Learner's Dictionary
9. untrue: Wiktionary
10. untrue: Webster's New World College Dictionary, 4th Ed.
11. untrue: The Wordsmyth English Dictionary-Thesaurus
12. untrue: Infoplease Dictionary
13. untrue: Dictionary.com
14. untrue: Online Etymology Dictionary
15. untrue: Cambridge Essential American English Dictionary
16. Untrue (album): Wikipedia, the Free Encyclopedia
17. Untrue: Online Plain Text English Dictionary
18. untrue: Webster's Revised Unabridged, 1913 Edition
19. untrue: Rhymezone
20. Untrue: AllWords.com Multi-Lingual Dictionary
21. untrue: Webster's 1828 Dictionary
22. untrue: FreeDictionary.org
23. untrue: Mnemonic Dictionary
24. untrue: TheFreeDictionary.com

Art (1 matching dictionary)

25. Shakespeare Glossary (No longer online)

Business (1 matching dictionary)

26. untrue: Legal dictionary

Computing (1 matching dictionary)

27. untrue: Encyclopedia

Slang (1 matching dictionary)

28. untrue: Urban Dictionary

(Note: See untruly as well.)

Definitions from Wiktionary ( ) ▸ adjective:  False; not true. ▸ adjective:  Not faithful or loyal. Similar: false, wrong, inconstant, unfaithful, uneven, out of true, unfalse, nonfalse, nontrue, nontruthful, more... Opposite: true, accurate, correct Types: lie, falsehood, bald-faced lie, white lie, untruth, half-truth, exaggeration, hyperbole, more... Phrases: declared untrue, untrue statement bt written word, assert to be untrue, declare untrue, prove untrue, more... Adjectives: main, whole, self, general, true, bottomless, other, worst, little, very, false Colors:     gray,     white,     black,     silver,     charcoal, more... ▸ Word origin ▸ Words similar to untrue ▸ Usage examples for untrue ▸ Idioms related to untrue ▸ Wikipedia articles (New!) ▸ Popular nouns described by untrue ▸ Words that often appear near untrue ▸ Rhymes of untrue ▸ Invented words related to untrue