- swear [swer]vi.swore, sworn, swearing [ME swerien < OE swerian, akin to Ger schwören < IE base * swer-, to speak > OSlav svariti, to revile]1. to make a solemn declaration with an appeal to God or to something held sacred for confirmation [to swear on one's honor]2. to make a solemn promise; vow3. to use profane or obscene language; curse4. Law to give evidence under oathvt.1. to declare solemnly in the name of God or of something held sacred2. to pledge or vow on oath3. to assert or promise with great conviction or emphasis4. to take (an oath) by swearing5. to administer a legal oath toSYN.- BLASPHEMY——————swear by1. to name (something held sacred) in taking an oath2. to have great faith or confidence in——————swear forto give assurance for; guarantee——————swear into administer an oath to (a person taking office, a witness, etc.)——————swear offto promise to give up, leave off, or renounce——————☆ swear outto obtain (a warrant for someone's arrest) by making a charge under oathswearern.
English World dictionary. V. Neufeldt. 2014.