<p><strong>Noun</strong></p><ul><li>a promise or assurance, especially one in writing, that something is of specified quality, content, benefit, etc., or that it will perform satisfactorily for a given length of time: a money-back guarantee.</li><li>an assurance that another’s obligation will be fulfilled, or something presented as such security; guaranty.</li><li>something that assures a particular outcome or condition: Wealth is no guarantee of happiness.</li><li>a person who gives a guarantee or guaranty; guarantor.</li><li>a person to whom a guarantee is made.</li></ul><p><strong>Verb</strong></p><ul><li>to secure, as by giving or taking security: A credit card guarantees your reservation at the hotel.</li><li>to make oneself answerable for (something) on behalf of someone else who is primarily responsible: to guarantee the fulfillment of a contract.</li><li>to undertake to ensure for another, as rights or possessions: The Constitution guarantees freedom of religion.</li><li>to serve as a warrant or guaranty for.</li><li>to undertake to protect or indemnify: to guarantee a person against loss.</li><li>to undertake (to do something): I will guarantee to prove every word I stated.</li><li>to promise (usually followed by a clause as object): I guarantee that I'll be there.</li></ul><p><strong>End of Response</strong></p>