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English noun: activity

1. activity (act) any specific behavior

SamplesThey avoided all recreational activity.

Broader (hypernym)act, deed, human action, human activity

Narrower (hyponym)acting, activating, activation, actus reus, aid, animation, assist, assistance, attempt, bag, behavior, behavior, behaviour, behaviour, burst, business, buzz, calibration, ceremony, ceremony, committal to writing, concealing, concealment, conduct, continuance, continuation, control, creation, creative activity, cup of tea, deeds, delectation, demand, didactics, disassembly, dish, dismantlement, dismantling, dissipation, disturbance, diversion, doings, domesticity, education, educational activity, effort, emplacement, employment, endeavor, endeavour, energizing, enjoyment, exercise, fit, follow-up, followup, fun, game, grooming, grouping, hell, help, hiding, hunt, hunting, instruction, job, lamentation, last, laughter, leadership, leading, line, line of work, liveliness, locating, location, market, market place, marketplace, measure, measurement, measuring, mensuration, military operation, misconduct, mourning, music, mystification, negotiation, obfuscation, occupation, occupation, operation, operation, operation, organisation, organization, outlet, pattern, pedagogy, performing, perturbation, placement, play, playacting, playing, pleasure, politics, position, positioning, practice, precedence, precedency, precession, preparation, preparation, procedure, process, protection, provision, puncture, readying, recreation, release, representation, role, search, sensory activity, service, sin, solo, space walk, standardisation, standardization, supply, supplying, support, support, supporting, teaching, timekeeping, training, try, turn, usage, use, utilisation, utilization, variance, variation, vent, verbalisation, verbalization, waste, wastefulness, work, works, worship, writing, wrongdoing, wrongful conduct


2. activity (state) the state of being active

SamplesHis sphere of activity.
He is out of action.

Synonymsaction, activeness

Broader (hypernym)state

Narrower (hyponym)agency, behavior, behaviour, busyness, eructation, eruption, extravasation, hum, operation, overdrive, play, swing


Antonymsinaction, inactiveness, inactivity

3. activity (process) an organic process that takes place in the body

SamplesRespiratory activity.

Synonymsbodily function, bodily process, body process

Broader (hypernym)biological process, organic process

Narrower (hyponym)ablactation, anastalsis, breath, breathing, consumption, control, crying, diaphoresis, discharge, emission, expectoration, expelling, external respiration, festering, healing, hidrosis, hypostasis, ingestion, insemination, intake, lachrymation, lacrimation, lactation, maturation, opsonisation, opsonization, overactivity, peristalsis, perspiration, phagocytosis, pinocytosis, placentation, psilosis, reaction, respiration, respiration, response, sex, sex activity, sexual activity, sexual practice, sleeping, sudation, suppuration, sweating, tanning, tearing, tears, transpiration, uptake, ventilation, vermiculation, watering, weeping

4. activity (state) (chemistry) the capacity of a substance to take part in a chemical reaction

SamplesCatalytic activity.

Broader (hypernym)capability, capacity

Domain categorychemical science, chemistry

5. activity (process) a process existing in or produced by nature (rather than by the intent of human beings)

SamplesThe action of natural forces.
Volcanic activity.

Synonymsaction, natural action, natural process

Broader (hypernym)physical process, process

Narrower (hyponym)absorption, acidification, adiabatic process, aeration, antiredeposition, capture, capture, cataphoresis, centrifugation, chemical action, chemical change, chemical process, chromatography, clotting, coagulation, concretion, condensation, convection, curdling, curing, decay, demagnetisation, demagnetization, desorption, dielectrolysis, diffusion, disintegration, dissolution, distillation, distillment, drift, ecesis, ecological succession, effervescence, electrophoresis, establishment, extinction, extraction, feedback, filtration, flocculation, flow, formation, fossilisation, fossilization, geologic process, geological process, hardening, inactivation, ion exchange, ionisation, ionization, ionophoresis, leach, leaching, magnetic induction, magnetisation, magnetization, materialisation, materialization, natural selection, nuclear reaction, opacification, oscillation, oxygenation, pair creation, pair formation, pair production, phase change, phase transition, physical change, precession of the equinoxes, radiation, release, rigidification, rigidifying, saltation, scattering, selection, sericulture, set, sink, soak, soakage, soaking, softening, solidification, solidifying, sorption, source, state change, stiffening, stimulation, succession, survival, survival of the fittest, synergism, synergy, temperature change, transduction, transpiration, vitrification

6. activity (attribute) the trait of being active; moving or acting rapidly and energetically

SamplesThe level of activity declines with age.


Broader (hypernym)trait

Narrower (hyponym)animation, brio, dynamism, invigoration, oomph, pizzaz, pizzazz, spiritedness, vivification, zing

Attributeactive, active, inactive

Antonymsinertia, inactiveness, inactivity

Based on WordNet 3.0 copyright © Princeton University.
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