- (v.t.) 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.
- (v.i.) To give evidence on oath; as, to swear to the truth of a statement; he swore against the prisoner.
- (v.t.) To utter or affirm with a solemn appeal to God for the truth of the declaration; to make (a promise, threat or resolve) under oath.
- (v.t.) To appeal to by an oath.
- (v.t.) To declare or charge upon oath; as, he swore treason against his friend.
- (v.i.) 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.
- (v.i.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). swear. Retrieved September 20, 2026, from http://smartdefine.org/swear/definitions/2069331 |
| Chicago | Webster's. 2011. "swear" http://smartdefine.org/swear/definitions/2069331 (accessed September 20, 2026). |
| Harvard | Webster's 2011, swear, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/swear/definitions/2069331>. |
| MLA | Webster's. "swear" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/swear/definitions/2069331> |