From Middle English sworen, isworen, from Old English sworen, ġesworen, from Proto-West Germanic *swaran, *giswaran, from Proto-Germanic *swaranaz, past participle of Proto-Germanic *swarjaną, equivalent to swear + -en.

• (America) IPA: /swɔɹn/
• (RP) IPA: /swɔːn/
• (rhotic, non-horse-hoarse) IPA: /swo(ː)ɹn/
• (non-rhotic, non-horse-hoarse) IPA: /swoən/

1. Past participle of swear

sworn (not comparable)

1. Given or declared under oath.

   His sworn statement convinced the judge.

2. Bound as though by an oath.
   • 1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act II, scene ii]:

     Swum ashore, man, like a duck. I can swim like a duck, I'll be sworn.

3. Ardent, devout.

   a sworn foe

   a sworn socialist

• Portuguese: juramento
• Russian: заклятый
• Spanish: jurado, jurada