Word Study
activity
CIDE DICTIONARY
activity, n. [Cf. F. activité, LL. activitas.].
The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities. Palfrey. [1913 Webster]
Syn. -- Liveliness; briskness; quickness.
OXFORD DICTIONARY
activity, n. (pl. -ies)
1 a the condition of being active or moving about. b the exertion of energy; vigorous action.
2 (often in pl.) a particular occupation or pursuit (outdoor activities).
3 = RADIOACTIVITY.
1 a the condition of being active or moving about. b the exertion of energy; vigorous action.
2 (often in pl.) a particular occupation or pursuit (outdoor activities).
3 = RADIOACTIVITY.
Etymology
F activit{eacute} or LL activitas (as ACTIVE)
THESAURUS
activity
act, acting, action, actions, activism, activities, acts, actuation, address, affair, affairs, affectation, air, animation, ardor, artificial radioactivity, bag, bearing, behavior, behavior pattern, behavioral norm, behavioral science, brio, briskness, business, bustle, campaign, carriage, cause, commerce, commitment, comportment, concern, concernment, conduct, contamination, crusade, culture pattern, curiage, custom, decontamination, demeanor, deportment, doing, doings, drive, dynamics, elan, employ, employment, endeavor, energy, enterprise, enthusiasm, exercise, exercising, exertion, faith, fallout, folkway, function, functioning, gestures, glow, going, goings-on, great cause, guise, gusto, half-life, impetuosity, impetus, interest, issue, job, joie de vivre, kinematics, kinesipathy, kinesis, kinesitherapy, kinetics, labor, life, lifework, liveliness, lookout, lustiness, maintien, manner, manners, mass movement, matter, method, methodology, methods, mettle, mien, mobilization, modus vivendi, motion, motions, motivation, move, movement, movements, moves, moving, natural radioactivity, nuclear radiation, observable behavior, occupation, operation, operations, pattern, perkiness, pertness, play, poise, port, pose, posture, practice, praxis, presence, principle, procedure, proceeding, project, pursuit, radiant energy, radiation, radioactive radiation, radioactivity, radiocarbon dating, radiolucency, radiopacity, radiosensibility, radiosensitivity, reason for being, restlessness, robustness, running, saturation point, service, social science, specific activity, spirit, spiritedness, stir, stirring, style, swing, tactics, thing, tone, undertaking, unrest, velocity, venture, vigor, vim, vivacity, vocation, warmth, way, way of life, ways, work, working, workings, zest, zestfulnessROGET THESAURUS
activity
Activity
N activity, briskness, liveliness, animation, life, vivacity, spirit, dash, energy, snap, vim, nimbleness, agility, smartness, quickness, velocity, alacrity, promptitude, despatch, dispatch, expedition, haste, punctuality, eagerness, zeal, ardor, perfervidum aingenium, empressement, earnestness, intentness, abandon, vigor, devotion, exertion, industry, assiduity, assiduousness, sedulity, laboriousness, drudgery, painstaking, diligence, perseverance, indefatigation, habits of business, vigilance, wakefulness, sleeplessness, restlessness, insomnia, pervigilium, insomnium, racketing, movement, bustle, stir, fuss, ado, bother, pottering, fidget, fidgetiness, flurry, officiousness, dabbling, meddling, interference, interposition, intermeddling, tampering with, intrigue, press of business, no sinecure, plenty to do, many irons in the fire, great doings, busy hum of men, battle of life, thick of the action, housewife, busy bee, new brooms, sharp fellow, sharp blade, devotee, enthusiast, zealot, meddler, intermeddler, intriguer, busybody, pickthank, hummer, hustler, live man, rustler, active, brisk, brisk as a lark, brisk as a bee, lively, animated, vivacious, alive, alive and kicking, frisky, spirited, stirring, nimble, nimble as a squirrel, agile, light-footed, nimble-footed, featly, tripping, quick, prompt, yare, instant, ready, alert, spry, sharp, smart, fast, quick as a lamplighter, expeditious, awake, broad awake, go-ahead, live wide-awake, forward, eager, strenuous, zealous, enterprising, in earnest, resolute, industrious, assiduous, diligent, sedulous, notable, painstaking, intent, indefatigable, unwearied, unsleeping, never tired, plodding, hard-working, businesslike, workaday, bustling, restless, restless as a hyena, fussy, fidgety, pottering, busy, busy as hen with one chicken, working, at work, on duty, in harness, up in arms, on one's legs, at call, up and doing, up and stirring, busy, occupied, hard at work, hard at it, up to one's ears in, full of business, busy as a bee, busy as a one-armed paperhanger, meddling, meddlesome, pushing, officious, overofficious, intrigant, astir, stirring, agoing, afoot, on foot, in full swing, eventful, on the alert, actively, with life and spirit, with might and main &c, with haste, with wings, full tilt, in mediis rebus, Int, be alive, look alive, look sharp!, move on, push on!, keep moving!, go ahead!, stir your stumps!, age quod agis!, jaldi!, karo!, step lively!, carpe diem, seize the day, nulla dies sine linea, nec mora nec requies, the plot thickens, No sooner said than done, veni vidi vici, catch a weasel asleep, abends wird der Faule fleissig, dictum ac factum, schwere Arbeit in der Jugend ist sanfte Ruhe im Al, hard work in youth means soft rest in age, the busy hum of men.Physical Energy
N energy, physical energy, force, power, keenness, intensity, vigor, strength, elasticity, go, high pressure, fire, rush, acrimony, acritude, causiticity, virulence, poignancy, harshness, severity, edge, point, pungency, cantharides, seasoning, activity, agitation, effervescence, ferment, fermentation, ebullition, splutter, perturbation, stir, bustle, voluntary energy, quicksilver, resolution, exertion, excitation, strong, energetic, forcible, active, intense, deep-dyed, severe, keen, vivid, sharp, acute, incisive, trenchant, brisk, rousing, irritation, poignant, virulent, caustic, corrosive, mordant, harsh, stringent, double-edged, double-shotted, double- distilled, drastic, escharotic, racy, potent, radioactive, strongly, fortiter in re, with telling effect, the steam is up, vires acquirit eundo, the race by vigor not by vaunts is won.For further exploring for "activity" in Webster Dictionary Online