Usually means: Deceitfully betraying trust or faith.
Definitions Related words Mentions History
We found 16 dictionaries that define the word treacherously:

General (14 matching dictionaries)
  1. treacherously: Merriam-Webster
  2. treacherously: Oxford Learner's Dictionaries
  3. treacherously: Collins English Dictionary
  4. treacherously: Vocabulary.com
  5. treacherously: Wordnik
  6. treacherously: Wiktionary
  7. treacherously: Dictionary.com
  8. treacherously: Rhymezone
  9. treacherously: Webster's 1828 Dictionary
  10. treacherously: FreeDictionary.org
  11. treacherously: Mnemonic Dictionary
  12. treacherously: TheFreeDictionary.com

Business (1 matching dictionary)
  1. treacherously: Legal dictionary

Computing (1 matching dictionary)
  1. treacherously: Encyclopedia

(Note: See treacherous as well.)

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Definitions from Wiktionary (treacherously)

▸ adverb:  In a treacherous manner.

Similar:
traitorously, treasonably, false, faithlessly, treasonously, traitorwise, traitourously, deviously, trickishly, jeopardously, more...

Opposite:
loyally, faithfully, honestly, reliably

▸ Words similar to treacherously

▸ Usage examples for treacherously

▸ Idioms related to treacherously

▸ Wikipedia articles (New!)

▸ Words that often appear near treacherously

▸ Rhymes of treacherously

▸ Invented words related to treacherously

Similar:
traitorously, treasonably, false, faithlessly, treasonously, traitorwise, traitourously, deviously, trickishly, jeopardously, more...

Opposite:
loyally, faithfully, honestly, reliably



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