- (n.) In law and common usage: to undertake or engage for the payment of (a debt) or the performance of (a duty) by another person; to undertake to secure (a possession, right, claim, etc.) to another against a specified contingency or at all avents; to give a guarantee concerning; to engage, assure or secure as a thing that may be depended on; to warrant; as, to guarantee the execution of a treaty.
- (n.) In law and common usage: A promise to answer for the payment of some debt or the performance of some duty, in case of the failure of another person, who is, in the first instance, liable to such payment or performance; an engagement which secures or insures another against a contingency; a warranty; a security. Same as Guaranty.
- (n.) The person to whom a guaranty is made; -- the correlative of guarantor.
- (n.) One who binds himself to see an undertaking of another performed; a guarantor.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). guarantee. Retrieved September 20, 2026, from http://smartdefine.org/guarantee/definitions/2014009 |
| Chicago | Webster's. 2011. "guarantee" http://smartdefine.org/guarantee/definitions/2014009 (accessed September 20, 2026). |
| Harvard | Webster's 2011, guarantee, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/guarantee/definitions/2014009>. |
| MLA | Webster's. "guarantee" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/guarantee/definitions/2014009> |