Synset

causing distress or worry or anxiety
<adj.all>   freq. cnt.: 8 freq. cnt.: 5 freq. cnt.: 3

distressful

distressing

disturbing

perturbing

troubling

worrisome

worrying

sample sentences

"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"