The Collaborative International Dictionary of English v.0.48:
Unsecured \Unsecured\ See secured.WordNet (r) 3.0 (2006):
unsecured adj 1: 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] 2: without financial security; "an unsecured note" [syn: unguaranteed, unsecured]