Etymology : Middle English sweren, from Old English swerian; akin to Old High German swerien to swear and perhaps to Old Church Slavonic svaru quarrel
Pronunciation : 'swar, 'swer
Function : verb
Date : before 12th century
1. pledge, vow; curse, obscene language. pledge, vow, solemnly promise; curse, use obscene language; testify under oath (Law); bind by an oath. swear\swear\ , v. i. [imp. swore , formerly sware ; p. p. sworn ; p. pr. & vb. n. swearing.] [oe. swerien, as. swerian; akin to d. zweren, os. swerian, ohg. swerien, g. schw?ren, icel. sverja, sw. sv?rja, dan. sv?rge, icel. & sw. svara to answer, dan. svare, dan. & sw. svar an answer, goth. swaran to swear, and perhaps to e. swarm. ?177. cf. answer.].
2. to affirm or utter a solemn declaration, with an appeal to god for the truth of what is affirmed; to make a promise, threat, or resolve on oath; also, to affirm solemnly by some sacred object, or one regarded as sacred, as the bible, the koran, etc. ye shall swear by my name falsely. xix.
3. i swear by all the roman gods.
4. (law) to give evidence on oath; as, to swear to the truth of a statement; he swore against the prisoner.
5. to make an appeal to god in an irreverant manner; to use the name of god or sacred things profanely; to call upon god in imprecation; to curse. [i] swore little; diced not above seven times a week.
6. To affirm or utter a solemn declaration, with an appeal to God for the truth of what is affirmed; to make a promise, threat, or resolve on oath; also, to affirm solemnly by some sacred object, or one regarded as sacred, as the Bible, the Koran, etc.
7. To give evidence on oath; as, to swear to the truth of a statement; he swore against the prisoner.
8. To make an appeal to God in an irreverant manner; to use the name of God or sacred things profanely; to call upon God in imprecation; to curse.
9. To utter or affirm with a solemn appeal to God for the truth of the declaration; to make under oath.
10. To put to an oath; to cause to take an oath; to administer an oath to; ofetn followed by in or into; as, to swear witnesses; to swear a jury; to swear in an officer; he was sworn into office.
11. To declare or charge upon oath; as, he swore treason against his friend.
12. To appeal to by an oath. promise solemnly; take an oath make a deposition; declare under oath.
13. 1. If someone swears, they use language that is considered to be rude or offensive, usually because they are angry. It's wrong to swear and shout They swore at them and ran off.
14. If you swear to do something, you promise in a serious way that you will do it. Alan swore that he would do everything in his power to help us We have sworn to fight cruelty wherever we find it The police are the only civil servants who have to swear allegiance to the Crown I have sworn an oath to defend her.
15. emphasis If you say that you swear that something is true or that you can swear to it, you are saying very firmly that it is true. I swear I've told you all I know I swear on all I hold dear that I had nothing to do with this Behind them was a confusion of noise, perhaps even a shot, but he couldn't swear to it.
16. If someone is sworn to secrecy or is sworn to silence, they promise another person that they will not reveal a secret. She was bursting to announce the news but was sworn to secrecy. see also:
sworn.