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perfidiously

see definition of perfidiously
  • as intreacherously
  • as inunscrupulously
  • as infalsely
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Synonyms for perfidiously

adv faithlessly
  • deceitfully
  • dishonestly
  • disloyally
  • perfidiously
  • unfaithfully
  • unscrupulously

Antonyms for perfidiously

  • faithfully
  • harmlessly
  • honestly
  • loyally
  • safely
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

More words related to perfidiously

falsely

adverb. deceitfully

treacherously

adverb. faithlessly

unscrupulously

adverb. immorally
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.