[swair] 
verb, swore or (Archaic
) sware; sworn; swear⋅ing.| 1. | to make a solemn declaration or affirmation by some sacred being or object, as a deity or the Bible. |
| 2. | to bind oneself by oath. |
| 3. | to give evidence or make a statement on oath. |
| 4. | to use profane oaths or language: Don't swear in front of the children. |
| 5. | to declare, affirm, attest, etc., by swearing by a deity, some sacred object, etc. |
| 6. | to affirm, assert, or say with solemn earnestness. |
| 7. | to promise or undertake on oath or in a solemn manner; vow. |
| 8. | to testify or state on oath: He swore it on the witness stand. |
| 9. | to take (an oath), as in order to give solemnity or force to a declaration, promise, etc. |
| 10. | to bind by an oath: to swear someone to secrecy. |
| 11. | swear by,
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| 12. | swear in, to admit to office or service by administering an oath: A new president will be sworn in today. |
| 13. | swear off, to promise or resolve to give up something, esp. intoxicating beverages. |
| 14. | swear out, to secure (a warrant for arrest) by making an accusation under oath. |