Another word for swear

swear Synonyms

swear

v.

To curse
blaspheme, utter profanity, cuss*; see curse 1, 2.
To take an oath
avow, affirm, depose, testify, state, vow, attest, warrant, vouch, assert, swear by, make an affidavit, give witness, cross one's heart.
To declare
assert, affirm, maintain; see declare 1, justify 2.

WEBSTER’S NEW WORLD® ROGET’S A-Z THESAURUS by Charlton Laird and the editors of Webster’s New World dictionaries. Copyright © 1999 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Another word for swear

verb

To guarantee by a solemn promise:
covenant, pledge, plight², promise, vow. Idiom: give one's word of honor. See agree, obligation
To use profane or obscene language:
blaspheme, curse, damn. (Informal) cuss. See decent, sacred, words
To give evidence or testimony under oath:
attest, testify, witness. (Law) depone, depose. Idioms: bear witness, take the stand. See law

phrasal verb swear off

(Informal)

To cease trying to accomplish or continue:

abandon, break off, desist, discontinue, give up, leave off, quit, relinquish, remit, stop. (Slang) lay off. Idioms: call it a day, call it quits, hang up one's fiddle, have done with, throw in the towel. See continue