[ adj ] not worthy of trust or belief <adj.all> an untrustworthy person
The judge said the material was untrustworthy because of Friedrick's earlier conflicting statements.
Instead of last century's railroads, tramways and water companies, today we have toll highways and telephone monopolies. Any paper with a sovereign guarantee on it was untrustworthy, however.
The trouble is that Congress has become so untrustworthy, so uncooperative, that the executive has to slide around it in order to function at all.
Where the former had soul, the latter has calculation. This is not to say that Mr Clinton is more untrustworthy than any other politician.