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Synonyms

sworn

American  
[swawrn, swohrn] / swɔrn, swoʊrn /

verb

  1. past participle of swear.

adjective

  1. having taken an oath.

    a duly elected and sworn official.

  2. bound by or as if by an oath or pledge.

  3. avowed; affirmed.

    He is my sworn enemy.
sworn British  
/ swɔːn /

verb

  1. the past participle of swear

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. bound, pledged, or made inveterate, by or as if by an oath

    a sworn statement

    he was sworn to God
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sworn

First recorded in 1275–1325, for the adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sworn enemies, Iran and Iraq both attacked oil infrastructure and the president organized naval escorts to protect shipments.

From The Wall Street Journal • Mar. 21, 2026

Sworn declarations filed in federal court Wednesday also protest the claims against some detainees, stating that benign tattoos were misconstrued as evidence of gang affiliation.

From Salon • Mar. 21, 2025

The author said, The Sworn Sword and The Mystery Knight will follow, "if it does well".

From BBC • May 24, 2024

Sworn declarations submitted to court show that other medical personnel and some of Mowlavi’s employees had raised similar concerns about the doctor.

From Los Angeles Times • Dec. 15, 2023

But Lewyn Martell had been his Sworn Brother, back in the days when the bonds between the Kingsguard still went deep.

From "A Dance with Dragons" by George R. R. Martin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.