| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | huge, overwhelming |
| Synonyms: | amazing, appalling, astounding, awesome, awful, blimp, colossal, cracking, deafening, dreadful, enormous, excellent, exceptional, extraordinary, fabulous, fantastic, fearful, formidable, frightful, gargantuan, gigantic, great, great big, humongous, immense, incredible, jumbo, large, mammoth, marvelous, massive, mondo, monstrous, monumental, prodigious, stupendous, super, terrible, terrific, titanic, towering, vast, whale, whopper, whopping, wonderful |
| Antonyms: | insignificant, little, small, tiny, underwhelming, unimportant |
| Main Entry: | big |
| Part of Speech: | adjective |
| Definition: | large, great |
| Synonyms: | a whale of a, ample, awash, brimming, bulky, bull*, burly, capacious, chock-full, colossal, commodious, considerable, copious, crowded, enormous, extensive, fat, full, gigantic, heavy-duty, heavyweight, hefty, huge, hulking, humongous*, husky, immense, jumbo, mammoth, massive, mondo, monster*, oversize, packed, ponderous, prodigious, roomy, sizable, spacious, strapping, stuffed, substantial, super colossal, thundering, tremendous, vast, voluminous, walloping, whopper, whopping |
| Antonyms: | itsy, little, small, tiny |
| Main Entry: | boundless |
| Part of Speech: | adjective |
| Definition: | endless, without limit |
| Synonyms: | great, illimitable, immeasurable, immense, incalculable, indefinite, inexhaustible, infinite, limitless, measureless, no catch, no end of, no end to, no holds barred, no strings, no strings attached, tremendous, unbounded, unconfined, unending, unlimited, untold, vast, wide open |
| Antonyms: | limited, restricted |
| Main Entry: | dreadful |
| Part of Speech: | adjective |
| Definition: | horrible, frightening |
| Synonyms: | abominable, alarming, appalling, atrocious, awful, bad, beastly, creepy*, dire, distressing, fearful, formidable, frightful, frozen, ghastly, godawful, grievous, grim, grody, gross*, hideous, horrendous, horrific, icky, lousy, mean, monstrous, rotten, shameful, shocking, shuddersome, spooky, terrible, terrific, tragic, tremendous, wicked |
| Antonyms: | pleasant, pleasing, welcomed, wonderful |
| Main Entry: | enormous |
| Part of Speech: | adjective |
| Definition: | very large |
| Synonyms: | astronomic, barn door, blimp, colossal, excessive, gargantuan, gigantic, gross, huge, humongous, immense, jumbo, mammoth, massive, monstrous, mountainous, prodigious, stupendous, super-colossal, titanic, tremendous, vast, whopping |
| Antonyms: | insignificant, little, minute, small, tiny |
| Main Entry: | fantastic |
| Part of Speech: | adjective |
| Definition: | enormous |
| Synonyms: | cracking, extreme, great, huge, humongous, massive, monstrous, monumental, overwhelming, prodigious, severe, stupendous, towering, tremendous |
| Antonyms: | little, small, tiny |
| Main Entry: | fearful |
| Part of Speech: | adjective |
| Definition: | horrifying |
| Synonyms: | appalling, astounding, atrocious, awful, baleful, bloodcurdling, creepy, dire, distressing, dreadful, eerie, formidable, frightful, ghastly, ghoulish, grievous, grim, grisly, gruesome, hair-raising, hideous, horrendous, horrible, horrific, lurid, macabre, monstrous, morbid, overwhelming, redoubtable, shocking, shuddersome, sinister, strange, sublime, terrible, tremendous, unearthly, unspeakable |
| Notes: | someone may be fearful; someone or something may be fearsome |
| Antonyms: | good, nice, pleasant |
| Main Entry: | formidable |
| Part of Speech: | adjective |
| Definition: | difficult, overwhelming |
| Synonyms: | all-powerful, arduous, awesome, ballbuster, challenging, colossal, dismaying, effortful, great, hard, impressive, indomitable, intimidating, labored, laborious, mammoth, mighty, murder*, onerous, overpowering, powerful, puissant, rough go, rough*, staggering, strenuous, tall order, toilsome, tough proposition, tough*, tremendous, uphill |
| Antonyms: | easy, not hard, pleasant, trivial |
| Main Entry: | gargantuan |
| Part of Speech: | adjective |
| Definition: | very large |
| Synonyms: | big, colossal, elephantine, enormous, giant, gigantic, heavyweight, huge, humongous, immense, jumbo, leviathan, mammoth, massive, monstrous, monumental, mountainous, prodigious, super-colossal, super-duper, titanic, towering, tremendous, vast, whopping |
| Antonyms: | little, miniscule, small, tiny |