disturbing Synonyms

distressful distressing perturbing troubling worrisome worrying sad ruffling jumbling roiling scandalizing serious shocking startling stork stressful suspensive tampering ribbing rankling maddening misplacing mortifying nagging nasty nettling nocuous offending outraging painful pesky pestering petrifying plaguing plaguy problematic provoking taxing teasing heckling kafkaesque nettlesome plaguey god-awful churn up bloodcurdling nerve-racking nerve-wracking heart-breaking unbearable