Synonyms for Treasonably:

• n.

  •false (noun)
  • false.
  •Other relevant words: (noun)
  • traitorously,
  • faithlessly.
  •treacherously (noun)
  • treacherously.

• Other synonyms:

  •Other relevant words (noun):
  • falsely,
  • disloyally,
  • rebelliously,
  • Traitorly,
  • perfidiously,
  • deceitfully,
  • subversively,
  • recreantly,
  • insidiously,
  • unfaithfully,
  • dishonestly.