guaranteed

noun

1. guaranty ( & )
2. a pledge or assurance; specif.,
   1. a pledge that something is as represented and will be replaced if it does not meet specifications
   2. a positive assurance that something will be done in the manner specified
3. a guarantor
4. a person who receives a guaranty
5. a sign or portent: the clouds were a guarantee of rain

Origin: altered < guaranty, after words ending in -ee

transitive verb guaranteed, guaranteeing

1. to give a guarantee or guaranty for: to guarantee a product
2. to state with confidence; promise: to guarantee that a thing will be done