| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | frightening |
| Synonyms: | eerie, horrifying, shocking, thrilling |
| Main Entry: | chill |
| Part of Speech: | verb |
| Definition: | discourage |
| Synonyms: | cloud, dampen, dash, deject, demoralize, depress, dishearten, dismay, disparage, dispirit |
| Antonyms: | encourage, hearten, incite, inspirit |
| Main Entry: | cool |
| Part of Speech: | adjective |
| Definition: | cold, nippy |
| Synonyms: | air-conditioned, algid, arctic, biting, chill, chilled, chilling, chilly, coldish, frigid, frore, frosty, gelid, hawkish, nipping, refreshing, refrigerated, shivery, snappy, wintry |
| Antonyms: | hot, temperate, warm |
| Main Entry: | frightful/frightening |
| Part of Speech: | adjective |
| Definition: | scary, shocking |
| Synonyms: | alarming, appalling, atrocious, awesome, awful, chilling, daunting, dire, direful, dismaying, disquieting, dread, dreadful, fearful, fearsome, formidable, ghastly, grabber, grim, grisly, gruesome, hair-raising, hairy, harrowing, hideous, horrendous, horrible, horrid, horrifying, inconceivable, intimidating, lurid, macabre, menacing, morbid, ominous, petrifying, portentous, repellent, spooky, terrible, terrifying, traumatic, unnerving, unspeakable |
| Antonyms: | calming, comforting, pleasing |
| Main Entry: | hair-raising |
| Part of Speech: | adjective |
| Definition: | causing excitement |
| Synonyms: | bloodcurdling, breathtaking, chilling, cliff-hanging, electrifying, exciting, frightening, shocking, spine-chilling, spine-tingling, suspenseful, terrifying |
| Main Entry: | harrowing |
| Part of Speech: | adjective |
| Definition: | dangerous, frightening |
| Synonyms: | agonizing, alarming, chilling, distressing, disturbing, excruciating, heart-rending, heartbreaking, nerve-racking, painful, racking, soaring, tearing, terrifying, tormenting, torturing, torturous, traumatic |
| Antonyms: | calming, pleasant, pleasing, unfrightening |
| Main Entry: | icy |
| Part of Speech: | adjective |
| Definition: | frozen; slippery when frozen |
| Synonyms: | algific, antarctic, arctic, biting, bitter, chill, chilled to the bone, chilling, chilly, cold, freezing, frigid, frigorific, frost-bound, frosty, frozen over, gelid, glacial, glaring, iced, polar, raw, refrigerated, rimy, shivering, shivery, sleeted, smooth as glass |
| Antonyms: | unfrozen, watery |
| Main Entry: | nightmarish |
| Part of Speech: | adjective |
| Definition: | frightening |
| Synonyms: | alarming, awful, chilling, creepy, dire, direful, disquieting, dreadful, eerie, fearful, fearsome, ghastly, ghoulish, grim, grisly, hair-raising, hellish, horrible, horrid, horrifying, macabre, morbid, ominous, petrifying, scary, spooky, terrible, terrifying, traumatic, unnerving |
| Main Entry: | scary |
| Part of Speech: | adjective |
| Definition: | frightening, terrifying |
| Synonyms: | alarming, bloodcurdling, chilling, creepy, eerie, hair-raising, hairy*, horrendous, horrifying, intimidating, shocking, spine-chilling, spooky, unnerving |
| Antonyms: | calming, encouraging, soothing |