modified
Sharp
Astute
Intense
Eager
Sensitive
See keen in Webster's New World Roget's A-Z Thesaurus II
Having a fine edge, as for cutting:
sharp. See sharpMentally quick and original:
alert, bright, clever, intelligent, quick, quick-witted, sharp, sharp-witted, smart. Idiom: smart as a whip. See abilityPossessing or displaying perceptions of great accuracy and sensitivity:
acute, incisive, penetrating, perceptive, probing, sensitive, sharp, trenchant. See careful, sharpShowing or having enthusiasm:
ardent, enthusiastic, fervent, mad, rabid, warm, zealous. (Informal) crazy. (Slang) gung ho, nuts. See concernIntensely desirous or interested:
agog, ardent, athirst, avid, bursting, eager, impatient, solicitous, thirsting, thirsty. (Informal) raring. Idioms: champing at the bit, ready and willing. See concernParticularly excellent:
divine, fabulous, fantastic, fantastical, glorious, marvelous, sensational, splendid, superb, terrific, wonderful. (Informal) dandy, dreamy, great, ripping, super, swell, tremendous. (Slang) cool, groovy, hot, neat, nifty. Idiom: out of this world. See goodLearn more about keen