Completely untrustworthy.

But not untrustworthy.

I'm stupid and wicked and untrustworthy...

Europeans trusted a system that was untrustworthy.

British bankers threatened that they would never again invest in these untrustworthy Americans.

While in his cups, the fellow was somewhat indiscreet. A drunken man is untrustworthy.

Just as no government should outsource national security to untrustworthy foreigners, nor should any government permit the national food supply to rely on the supposed vagaries of foreign production.

Mir Hussein Moussavi, the main challenger of Ahmadinejad said the results from untrustworthy monitors reflect the weakening of the pillars that constitute the sacred system of Iran and the rule of authoritarianism and tyranny.

He led a vicious campaign to portray all Taiwanese with mainland Chinese roots, even if born and bred in Taiwan, as untrustworthy carpetbaggers wai shen ren , or not native people as if they were aliens from a different culture.

Perhaps it reveals a bit of your habits? The blogger at Odeon Apple wonders if a salesperson with a vinyl umbrella, as opposed to a real one, would come off as a bit hurried and untrustworthy to their customer.

British bankers threatened that they would never again invest in these untrustworthy Americans. They could point to the precedent set by Hamilton, and had probably invested on the implicit understanding that, if necessary, the federal government would bail out the states again.

Every child should be treated as a capable witness, subject to examination, and his or her testimony should not be presumed invalid or untrustworthy by reason of the child's age alone as long as his or her age and maturity allow the giving of intelligible and credible testimony, with or without communication aids and other assistance.