Synonyms and related words :
aflutter, afraid, aghast, agitated, alarmed, alarming, all nerves, all-overish, anxious, anxioused up, appalling, apprehensive, atrocious, awful, awing, baleful, bashful, bothered, chicken, chickenhearted, chilling, concerned, coward, cowardly, cowed, daunted, daunting, deadly, deterrent, deterring, diffident, dire, direful, discomposed, disconcerting, discouraging, disgusting, disheartening, dismayed, dismaying, disquieted, disquieting, disturbed, dreadful, edgy, excitable, fainthearted, fear-inspiring, fearing, fearsome, foreboding, formidable, frightened, frightening, frightful, funking, funky, ghastly, goosy, grim, grisly, gruesome, heinous, henhearted, hesitant, hideous, high-strung, horrendous, horrible, horrific, horrifying, howling, in a pucker, in a stew, in fear, intimidated, irritable, jittery, jumpy, lily-livered, loathsome, lurid, macabre, malign, milk-livered, milksoppish, milksoppy, misgiving, monstrous, mousy, nauseating, nauseous, nerves on edge, nervous, nervy, on edge, on tenterhooks, overanxious, overapprehensive, overawing, overstrung, overtimid, overtimorous, overwhelming, panic-prone, panic-stricken, panicky, perturbed, pigeonhearted, pusillanimous, rabbity, redoubtable, repugnant, repulsive, revolting, rousing, scared, scaring, scary, shaky, shivery, shocking, shrinking, shy, sinister, sissified, sissy, skittery, skittish, soft, solicitous, startling, startlish, strained, sublime, suspenseful, tense, terrible, terrific, terrified, terrifying, terror-stricken, thumping, timid, timorous, trembling, tremendous, tremulous, trepidant, trigger-happy, troubled, uneasy, unmanly, unmanned, unspeakable, unwilling, weak, weak-kneed, weakhearted, whacking, white-livered, yellow, zealous