accurate, advertent, agog, alert, all ears, all eyes, assiduous, attentive, aware, careful, choosy, close, concentrated, conscientious, conscious, correct, critical, dainty, delicate, demanding, detailed, difficult, diligent, earnest, elaborate, exact, exacting, exigent, exquisite, fastidious, fine, finical, finicking, finikin, full, fuss-budgety, fussy, hard to please, heedful, intense, intent, intentive, meticulous, mindful, minute, narrow, nice, niggling, nit-picking, observant, observing, on the ball, on the job, open-eared, open-eyed, openmouthed, particular, pawky, pernickety, persnickety, picayune, picky, precise, precisianistic, precisionistic, punctilious, punctual, queasy, refined, regardful, religious, rigid, rigorous, scrupulous, scrutinizing, special, specific, squeamish, strict, subtle, watchful