frightening Synonyms

dread dreaded direful horrendous terrorization dreadful horrific terrible dire awful fearful fearsome terrifying threatening startling sinister shocking scary menacing minacious minatory ominous petrifying railroading redoubtable scaring scare traumatic trepid unhospitable shuddery war of nerves blood-curdling nerve-wracking nerve-racking macabre terrorisation spooky nightmarish hair-raising bloodcurdling appallingly swatting arm-twisting worrying worrisome upsetting unnerving looming intimidatory