air speed, alacrity, anxiety, barrel, beeline, breathless impatience, briskness, bucket, bustle, carelessness, celerity, chafing, dash, desperateness, devil-may-careness, dispatch, disquietude, drive, eagerness, excitement, expedition, expeditiousness, fastness, fleetness, flight, flit, flurry, forwardness, fretfulness, fretting, furiousness, ground speed, hasten, hastiness, heedlessness, highball, hotfoot, hotheadedness, hurriedness, hurry, hustle, impatience, impatientness, impetuosity, impetuousness, impulse, impulsiveness, instantaneousness, knots, lather, lightning speed, miles per hour, overeagerness, overenthusiasm, overhastiness, overzealousness, pace, precipitance, precipitancy, precipitateness, precipitation, precipitousness, precociousness, precocity, prematureness, prematurity, promptitude, promptness, quickness, rapidity, rashness, recklessness, restiveness, restlessness, rocket, round pace, rpm, run, rush, rustle, snappiness, speed, speediness, stew, suddenness, sweat, swift rate, swiftness, tense readiness, uneasiness, unpatientness, unquietness, untimeliness, urgency, velocity, wantonness, wildness