able, active, acute, adroit, agile, airworthy, airy, artful, astute, brainy, bright, busy, clammy, clever, cool, crafty, culpable, cute, dab, deft, dexterous, dextrous, draughty, effective, efficient, effortless, expedite, expeditious, extravagant, faint, fast, fit, flighty, fractional, frivolous, giddy, habile, handy, handy-man, handyman, hasty, heedless, improvident, inane, inappreciable,
incisive, inconsiderable, inconsiderate, insignificant, insouciant, keener, knowing, light, light-fingered, light-footed, light-minded, lightsome, lightweight, limber, lissom, lithe, lithesome, luminous, manual, mercurial, minute, motile, narrow, narrowed, negligible, nimble, operational, operative, penetrating, perspicacious, presto, proficient, prompt, quick, quick-witted, quicker, rapid, ready, reckless, restless, sagacious, sharp, sharp-witted, shrewd, skilful, skilled, slick, slight, smart, snappy, speed, speedy, spry, supple, swift, thoughtless, torrential, versatile, whippet, witty, yare