intimidating

1 causing fear the intimidating prospect of the college entrance exams Synonyms alarming, dire, direful, dread, dreadful, fearsome, forbidding, formidable, frightening, frightful, ghastly, hair-raising, horrendous, horrible, horrifying, fearful, redoubtable, scary, shocking, spine-chilling, terrible, terrifyingRelated Words daunting, demoralizing, disconcerting, discouraging, dismaying, disquieting, distressing, disturbing, perturbing, startling, threatening, troubling, trying, unnerving; bone-chilling, creepy, eerie (also eery), weird; appalling, atrocious, awful, grisly, gruesome (also grewsome), hideous, horrid, macabre, monstrous, nightmarishNear Antonyms calming, comforting, consoling, inviting, lulling, pacifying, quieting, reassuring, relaxing, soothing, tranquilizing (also tranquillizing); nonintimidating, nonthreatening

2 harsh and threatening in manner or appearance an intimidating bodyguard keeping the fans away from the rock star Synonyms austere, dour, fierce, flinty, forbidding, gruff, grim, lowering (also louring), rough, rugged, severe, stark, steely, stern, ungentleRelated Words bleak, cold, hostile, inhospitable, inimical, unfriendly, unsympathetic; adamant, bound, determined, firm, intent, purposeful, resolute, resolved, steadfast, unflinching; fixed, hard, hardened, hardheaded, immovable, implacable, inflexible, ironhanded, mulish, obdurate, obstinate, rigid, self-willed, set, stiff, stubborn, unbending, uncompromising, unrelenting, unyielding, willful (or wilful); immutable, unchangeable; black, cheerless, dark, gloomy, glum, joyless, melancholic, moody, morose, sulky, sullen, surly; brooding, grave, humorless, melancholy, serious, sober, sobersided, solemn, somber (or sombre), staid, unsmiling, weightyNear Antonyms bland, meek, mellow, soft, soothing; easy, quiet, tranquil; agreeable, bright, cheerful, inviting, pleasant, pleasing, sweet; glad, happy, lighthearted, merry, mirthful, sunny; featherbrained, flighty, frivolous, giddy, goofy, harebrained, light-headed, playful, scatterbrained, sillyAntonyms benign, benignant, gentle, mild, nonintimidating, tender