Wiktionary
untrusting
a. Without trust; not inclined to trust.
WordNet
untrusting
adj. openly distrustful and unwilling to confide [syn: leery, mistrustful, suspicious, wary]
Usage examples of "untrusting".
I wondered if Tinnie or Belinda was to blame, or if she was still just that untrusting of the world.
When a woman reacts to a man in an untrusting, rejecting, disapproving, or unappreciative way, he gives minus or penalty points.
Even the wizened, unpersuadable, untrusting Scott was caught up in the wonder of crazy chances for the right reasons.