| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | very great |
| Synonyms: | acute, consummate, high, highest, intense, maximal, maximum, severe, sovereign, supreme, top, ultimate, utmost, uttermost |
| Antonyms: | limited, mild, moderate |
| Main Entry: | extreme |
| Part of Speech: | adjective |
| Definition: | faraway |
| Synonyms: | far-off, farthest, final, furthermost, last, most distant, outermost, outmost, remotest, terminal, ultimate, utmost, uttermost |
| Antonyms: | close, near |
| Main Entry: | abysmal |
| Part of Speech: | adjective |
| Definition: | great extent; immeasurable |
| Synonyms: | bottomless, boundless, complete, deep, endless, extreme, illimitable, incalculable, infinite, profound, thorough, unending, unfathomable, vast |
| Antonyms: | infinite |
| Main Entry: | advanced |
| Part of Speech: | adjective |
| Definition: | ahead in position, time, manner |
| Synonyms: | avant-garde, breakthrough, cutting-edge, excellent, exceptional, extreme, first, foremost, forward, higher, late, leading, leading-edge, liberal, precocious, progressive, radical, state-of-the-art*, unconventional |
| Antonyms: | after, behind |
| Main Entry: | agonizing |
| Part of Speech: | adjective |
| Definition: | difficult and painful, suffering |
| Synonyms: | disturbing, excruciating, extreme, fierce, harrowing, intense, racking, struggling, tearing, tormenting, tortuous, torturing, vehement, violent |
| Main Entry: | almighty |
| Part of Speech: | adjective |
| Definition: | severe |
| Synonyms: | awful, desperate, enormous, excessive, extreme, great, intense, loud, terrible |
| Antonyms: | weak |
| Main Entry: | deathly |
| Part of Speech: | adjective |
| Definition: | fatal |
| Synonyms: | deadly, extreme, intense, lethal, mortal, mortiferous, noxious, pestilent, pestilential, terrible |
| Notes: | deadly means causing or capable of causing death while deathly means having the physical appearance of death |
| Antonyms: | benign, harmless, healthful, healthy, life-giving, strengthening |
| Main Entry: | deep |
| Part of Speech: | adjective |
| Definition: | intense in effect on senses |
| Synonyms: | alto, baritone, bass, booming, contralto, dark, extreme, full-toned, grave, great, hard, low, low-pitched, low-toned, profound, resonant, rich, sonorous, strong, vivid |
| Antonyms: | light, pale, quiet, soft |
| Main Entry: | dire |
| Part of Speech: | adjective |
| Definition: | urgent; crucial |
| Synonyms: | acute, burning, clamant, clamorous, climacteric, critical, crying, desperate, drastic, exigent, extreme, immoderate, imperative, importunate, instant, pressing |
| Antonyms: | trivial, unimportant |