a person who gives or is bound by a guarantee or guaranty; surety
WordReference Random House Learner's Dictionary of American English © 2025
guar•an•tor /ˈgærənˌtɔr, -tɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- one that makes or gives a guarantee, guaranty, warrant, etc.
guar•an•tor
(gar′ən tôr′, -tər),USA pronunciation n.
- a person, group, system, etc., that guarantees.
- a person who makes or gives a guarantee, guaranty, warrant, etc.
- guarant(ee) + -or2 1850–55
Collins Concise English Dictionary © HarperCollins Publishers::
'guarantor' also found in these entries (note: many are not synonyms or translations):