'Unsecured' definitions:
Definition of 'unsecured'
(from WordNet)
adjective
Not firmly fastened or secured; "an unbarred door"; "went through the unlatched gate into the street"; "an unlocked room" [syn: unbarred, unbolted, unlatched, unlocked, unsecured]
adjective
Without financial security; "an unsecured note" [syn: unguaranteed, unsecured]