無む担たん保ぽ社しゃ債さいMeaningsNoun1. unsecured (corporate) debentureKanji used無nothing担to shoulder保preserve社company債financial bondComposed of無むnothing; naught; nought; nil; zero; un-; non-Noun担たん保ぽsecurity; guarantee; collateral; mortgage; guarantee (e.g. of safety)Noun社しゃ債さいcorporate bond; corporate debentureNoun