deeply troubling

Related

worrisome · upsetting · disquieting · chilling · ominous · grave · somber · dark · sinister · foreboding · nagging · gnawing · harrowing · bleak · grim · heavy · burden · dread

Opposites
degree of concern warranted

deeply troublingno cause for concern

trivial · unalarming · inconsequential · of no consequence · unremarkable

emotional valence/reaction

deeply troublingheartwarming

Evoking tender positive feelings

gratifying · soothing · consoling · reassuring · cheering

Familiarity
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