Guar·an·tee, v. t. [imp. & p. p. guaranteed p, pr. & vb. n. Guaranteeing.] 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 in all events; 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.
The United States shall guarantee to every State in this Union a republican form of government. --Constitution of the U. S.
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guaranteed
adj : secured by written agreement [syn: bonded, secured, warranted]