Keen

Synonyms: Eager, impatient, desirous, wishing, dying, ambitious, intent on, enthusiastic, ardent, fervent, impassioned, zestful, driven, conscientious, dedicated, earnest, assiduous, anxious, determined, longing, itching, yearning, ready, raring, avid, passionate, fervid, wholehearted, zealous, willing, committed, diligent, industrious, and intent.

Synonyms: Enthusiastic about, passionate about, attracted to, taken with, enamoured of, devoted to, eager for, struck on, gone on, crazy about, into, interested in, fascinated by, fond of, smitten with, attached to, infatuated with, hungry for, sweet on, mad about, nuts about, and twitterpated by.

Synonyms: Acute, penetrating, sensitive, piercing, observant, sharp, discerning, perceptive, clear, and powerful.

Synonyms: Acute, astute, sharp, piercing, razor-like, perspicacious, subtle, quick-witted, discerning, intelligent, bright, wise, percipient, sagacious, brainy, penetrating, incisive, perceptive, rapier-like, razor-sharp, shrewd, finely honed, sharp-witted, clever, brilliant, smart, canny, insightful, sapient, and genius.

Synonyms: Sharp, sharpened, razor-like, whetted, sharp-edged, honed, razor-sharp, and fine-edged.

Synonyms: Cold, freezing, raw, penetrating, biting, stinging, icy, harsh, bitter, piercing, sharp, and Baltic.

Synonyms: Intense, extreme, violent, consuming, fervent, ardent, powerful, deep-seated, acute, fierce, passionate, burning, fervid, strong, and profound.

Synonyms: Lament, weep, sob, grieve, moan, whimper, howl, plain, mourn, cry, sorrow, wail, whine, groan, greet, and ululate.