sworn

Definitions of sworn
1

adj bound by or stated on oath

“"now my sworn friend and then mine enemy"- Shakespeare”
Synonyms:
bound
bound by an oath
Antonyms:
unsworn
not bound by or stated on oath

adj bound by or as if by an oath

“according to an early tradition became his sworn brother”
sworn enemies”
Synonyms:
pledged
committed
bound or obligated, as under a pledge to a particular cause, action, or attitude

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