Main entry: unreassuring, worrisome
Definition: not reassuring; tending to cause anxiety
Main entry: perturbing, worrisome, worrying, troubling, distressful, distressing, disturbing
Definition: causing distress or worry or anxiety
Usage: distressing (or disturbing) news; lived in heroic if something distressful isolation; a disturbing amount of crime; a revelation that was most perturbing; a new and troubling thought; in a particularly worrisome predicament; a worrying situation; a worrying time