n-tee]
noun, verb, -teed, -tee⋅ing.| 1. | a promise or assurance, esp. 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. |
| 2. | guaranty (defs. 1, 2). |
| 3. | something that assures a particular outcome or condition: Wealth is no guarantee of happiness. |
| 4. | a person who gives a guarantee or guaranty; guarantor. |
| 5. | a person to whom a guarantee is made. |
| 6. | to secure, as by giving or taking security. |
| 7. | to make oneself answerable for (something) on behalf of someone else who is primarily responsible: to guarantee the fulfillment of a contract. |
| 8. | to undertake to ensure for another, as rights or possessions. |
| 9. | to serve as a warrant or guaranty for. |
| 10. | to engage to protect or indemnify: to guarantee a person against loss. |
| 11. | to engage (to do something). |
| 12. | to promise (usually fol. by a clause as object): I guarantee that I'll be there. |