| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | deeply perceptive |
| Synonyms: | astute, canny, clever, discerning, discriminating, incisive, ingenious, insightful, intense, intuitive, judicious, keen, observant, penetrating, perspicacious, piercing, quick-witted, sensitive, sharp, smart, subtle |
| Notes: | acute is used for a sudden onset and short duration; chronic is for conditions that are slow to develop and of long duration acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees chronic is contrasted with acute as chronic pain persists over a longer period of time than acute pain and is resistant to most medical treatments |
| Antonyms: | dense, imperceptive, insensitive, obtuse, slow, stupid |
| Main Entry: | acute |
| Part of Speech: | adjective |
| Definition: | severe, intense |
| Synonyms: | cutting, distressing, excruciating, exquisite, fierce, keen, overpowering, overwhelming, piercing, poignant, powerful, racking, severe, sharp, shooting, stabbing, sudden, violent |
| Notes: | acute is used for a sudden onset and short duration; chronic is for conditions that are slow to develop and of long duration acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees chronic is contrasted with acute as chronic pain persists over a longer period of time than acute pain and is resistant to most medical treatments |
| Main Entry: | acute |
| Part of Speech: | adjective |
| Definition: | having a sharp end or point |
| Synonyms: | acicular, aciculate, acuminate, acuminous, cuspate, cuspidate, knifelike, needle-shaped, peaked, piked, pointed, sharpened, spiked |
| Notes: | acute is used for a sudden onset and short duration; chronic is for conditions that are slow to develop and of long duration acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees chronic is contrasted with acute as chronic pain persists over a longer period of time than acute pain and is resistant to most medical treatments |
| Antonyms: | blunt, dull |
| Main Entry: | agile |
| Part of Speech: | adjective |
| Definition: | physically or mentally nimble, deft |
| Synonyms: | active, acute, alert, athletic, brisk, buoyant, bustling, clever, dexterous, easy-moving, energetic, fleet, frisky, limber, lithe, lively, mercurial, prompt, quick, quick on the draw, quick on the trigger, quick-witted, rapid, ready, sharp, spirited, sportive, spright, sprightly, spry, stirring, supple, swift, twinkle toes, vigorous, vivacious, winged, zippy |
| Antonyms: | brittle, clumsy, stiff |
| Main Entry: | bright |
| Part of Speech: | adjective |
| Definition: | intelligent |
| Synonyms: | Einstein, acute, advanced, alert, astute, aware, brainy, brilliant, clear-headed, clever, discerning, eggheaded, having smarts, ingenious, inventive, keen, knowing, precocious, quick, quick-witted, sharp, smart, whiz kid, wide-awake |
| Antonyms: | dull, stupid, unaware, unintelligent |
| Main Entry: | brilliant |
| Part of Speech: | adjective |
| Definition: | very intelligent |
| Synonyms: | Einstein, accomplished, acute, astute, brainy, bright, clever, discerning, eggheaded, expert, genius, gifted, ingenious, intellectual, inventive, knowing, knowledgeable, masterly, penetrating, profound, quick, quick-witted, sharp, smart, talented, whip, whiz kid |
| Antonyms: | stupid, unaware, unintelligent |
| Main Entry: | burning |
| Part of Speech: | adjective |
| Definition: | important |
| Synonyms: | acute, clamant, clamorous, compelling, critical, crucial, crying, dire, essential, exigent, imperative, importunate, instant, pressing, significant, urgent, vital |
| Antonyms: | unimportant |
| Main Entry: | canny |
| Part of Speech: | adjective |
| Definition: | clever, artful |
| Synonyms: | able, acute, adroit, astute, cagey, careful, cautious, circumspect, cunning, dexterous, discreet, foxy*, frugal, having fancy footwork, hep, ingenious, intelligent, judicious, knowing, nimble-witted, perspicacious, prudent, quick, quick-witted, sagacious, shrewd, skillful, slick, slippery*, sly, smart, smooth*, street smart, streetwise, subtle, wary, watchful, wise, with it, worldly-wise |
| Antonyms: | foolish, inept, silly |
| Main Entry: | climactic/climacteric |
| Part of Speech: | adjective |
| Definition: | decisive |
| Synonyms: | acute, climactical, critical, crucial, desperate, dire, paramount, peak |
| Antonyms: | anticlimacteric, anticlimactic, bathetic, indecisive, trivial, undecided |