guarantor guaranteeship • guarantorship · · · Info · Definitions · Synonyms · Characters · · guarantor · · Text Latin · · Script 9 · · Length Definitions · · · (noun) one who provides a warrant or guarantee to another. Synonyms: surety, warrantor, warranter. · · Noun Definition 1 Synonyms · · · surety · · Synonym 1 warrantor · · Synonym 2 warranter · · Synonym 3 Characters · · a latin small letter a U+0061 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075