Usually means: Betrayal of one's own country.
Definitions Related words Phrases Mentions History
We found 22 dictionaries that define the word treasonous:

General (19 matching dictionaries)
  1. treasonous: Merriam-Webster
  2. treasonous: Oxford Learner's Dictionaries
  3. treasonous: Collins English Dictionary
  4. treasonous: Vocabulary.com
  5. Treasonous, treasonous: Wordnik
  6. treasonous: Cambridge Advanced Learner's Dictionary
  7. treasonous: Wiktionary
  8. treasonous: Webster's New World College Dictionary, 4th Ed.
  9. treasonous: Infoplease Dictionary
  10. treasonous: Dictionary.com
  11. Treasonous: Wikipedia, the Free Encyclopedia
  12. Treasonous: Online Plain Text English Dictionary
  13. treasonous: Webster's Revised Unabridged, 1913 Edition
  14. treasonous: Rhymezone
  15. Treasonous: AllWords.com Multi-Lingual Dictionary
  16. treasonous: Webster's 1828 Dictionary
  17. treasonous: FreeDictionary.org
  18. treasonous: Mnemonic Dictionary
  19. treasonous: TheFreeDictionary.com

Business (2 matching dictionaries)
  1. treasonous: Merriam-Webster Legal Dictionary
  2. treasonous: Legal dictionary

Computing (1 matching dictionary)
  1. treasonous: Encyclopedia

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Definitions from Wiktionary (treasonous)

▸ adjective:  Like or in the way of treason.

Similar:
traitorous, treasonable, disloyal, treasonful, traitorly, treacherous, treachersome, dastardly, theftuous, Judaslike, more...

Opposite:
patriotic, loyal, nationalistic

Types:
disloyal, unfaithful, perfidious, treacherous, more...

Phrases:
treasonous aldrich, more...

▸ Words similar to treasonous

▸ Usage examples for treasonous

▸ Idioms related to treasonous

▸ Wikipedia articles (New!)

▸ Popular nouns described by treasonous

▸ Words that often appear near treasonous

▸ Rhymes of treasonous

▸ Invented words related to treasonous

Similar:
traitorous, treasonable, disloyal, treasonful, traitorly, treacherous, treachersome, dastardly, theftuous, Judaslike, more...

Opposite:
patriotic, loyal, nationalistic

Types:
disloyal, unfaithful, perfidious, treacherous, more...

Phrases:
treasonous aldrich, more...



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