| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | intelligent |
| Synonyms: | acute, adept, agile, alert, apt, astute, bold, brainy, bright, brilliant, brisk, canny, clever, crafty, effective, eggheaded, fresh, genius, good, impertinent, ingenious, keen, knowing, long-haired, nervy, nimble, on the ball, pert, pointed, quick, quick-witted, ready, resourceful, sassy, sharp, shrewd, skull, slick*, whiz*, wise |
| Antonyms: | dull, stupid, unintelligent |
| Main Entry: | sprightly |
| Part of Speech: | adjective |
| Definition: | fun, vivacious |
| Synonyms: | active, agile, airy, alert, animate, animated, blithe, bouncy, breezy, bright, brisk, cheerful, cheery, chipper, chirpy, clever, dapper, dashing, energetic, fairylike, frolicsome, gay, good, grooving, hyper, jaunty, jolly, joyous, jumping, keen, keen-witted, light, lively, nimble, peppy, perky, playful, quick, quick-witted, saucy, scintillating, smart, snappy, spirited, sportive, spry, swinging, zappy, zingy, zippy |
| Antonyms: | dull, inactive, lazy, lethargic |
| Main Entry: | spry |
| Part of Speech: | adjective |
| Definition: | active, vivacious |
| Synonyms: | agile, alert, brisk, energetic, fleet, full of pep, healthy, in full swing, lithe, nimble, on the go, prompt, quick, quick on the draw, ready, robust, rocking, sound, spirited, sprightly, supple, vigorous |
| Antonyms: | inactive, lethargic, old, unaware, unenergetic |
| Main Entry: | stiff |
| Part of Speech: | adjective |
| Definition: | extreme, severe |
| Synonyms: | austere, brisk, cruel, drastic, exact, excessive, exorbitant, extravagant, great, hard, harsh, heavy, immoderate, inexorable, inordinate, oppressive, pitiless, potent, powerful, rigorous, sharp, steep, strict, stringent, strong, towering, unconscionable, undue, vigorous |
| Antonyms: | calm, moderate, normal |
| Main Entry: | vigorous |
| Part of Speech: | adjective |
| Definition: | energetic, powerful |
| Synonyms: | active, athletic, ball of fire, bouncing, brisk, dashing, driving, dynamic, effective, efficient, enterprising, exuberant, flourishing, forceful, forcible, hale, hard-driving, hardy, healthy, hearty, intense, lively, lusty, mettlesome, peppy, persuasive, potent, red-blooded, robust, rugged, snappy, sound, spanking, spirited, steamroller, strapping, strenuous, strong, strong as an ox, sturdy, take-charge, take-over, tough, vital, zealous, zippy |
| Notes: | rigorous means demanding strict attention to rules and procedures; vigorous means strong and active physically or mentally |
| Antonyms: | enervated, idle, impotent, inactive, lethargic, weak |
| Main Entry: | spanking |
| Part of Speech: | adjective |
| Definition: | fresh |
| Synonyms: | brisk, dashing, exceptional, new, remarkable, swift, vigorous |
| Main Entry: | nippy |
| Part of Speech: | adjective |
| Definition: | chilly |
| Synonyms: | biting, brisk, cold, crisp, cutting, freezing, sharp |
| Antonyms: | warm |
| Main Entry: | humming |
| Part of Speech: | adjective |
| Definition: | lively |
| Synonyms: | brisk, bustling, busy, buzzing, hopping |
| Main Entry: | windy |
| Part of Speech: | adjective |
| Definition: | breezy |
| Synonyms: | airy, blowing, blowy, blustering, blustery, boisterous, brisk, drafty, fresh, gusty, raw, squally, stormy, tempestuous, wild, windswept |
| Antonyms: | calm |