"worrisome" in the adjective sense
1. unreassuring, worrisome
not reassuring tending to cause anxiety
2. distressing, distressful, disturbing, perturbing, troubling, worrisome, worrying
causing 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"
Source: WordNet® (An amazing lexical database of English)
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