Open English Wordnet
Nouns
Adjectives
(s)distressing, distressful, disturbing, perturbing, troubling, worrisome, worryingcausing distress or worry or anxiety“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”