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Related to swear off: declare under oath
v. swore (swôr), sworn (swôrn), swear·ing, swears
1. To make a solemn declaration, invoking a deity or a sacred person or thing, in confirmation of and witness to the honesty or truth of such a declaration.
2. To make a solemn promise; vow.
3. To use obscene or blasphemous language; curse.
4. Law To commit oneself by oath to giving evidence or testimony that is truthful.
a. To declare or affirm solemnly by invoking a deity or a sacred person or thing: swore on the Bible that he would tell the truth.
b. To say or affirm earnestly and with great conviction: I swear that I will pay you back.
2. To promise or pledge with a solemn oath; vow: He swore to do his duty. See Synonyms at promise.
3. To utter or bind oneself to (an oath).
4. Law To administer a legal oath to: All the witnesses have been sworn.
To use vulgar language against; curse:
1. To have great reliance on or confidence in: He swears by his personal physician.
2. To have reliable knowledge of; be sure of: I think she left early, but I couldn't swear by it.
3. To take an oath by: He swore by all the angels and saints of heaven.
To administer a legal or official oath to: swear in a mayor.
swear off Informal
To pledge to renounce or give up: She has sworn off cigarettes.
swear out Law
1. To attest to (an affidavit or complaint) by oath.
2. To swear to evidence under oath in order to obtain (a warrant for arrest).
(intr, preposition) to promise to abstain from (something): to swear off drink.
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|Verb||1.||swear off - promise to abstain from; "I have sworn off cigarettes altogether"|
1. To guarantee by a solemn promise:
Idiom: give one's word of honor.