active
/ˈæk.tɪv/ adjective, noun
Forms actives
- adjective Having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives. “certain active principles”
- adjective Quick in physical movement; of an agile and vigorous body; nimble. “an active child or animal”
- adjective In action; actually proceeding; working; in force “active laws”
- adjective (specifically, of certain geological features, such as volcano, geysers, etc) Emitting hot materials, such as lava, smoke, or steam, or producing tremors.
- adjective Given to action; constantly engaged in action; energetic; diligent; busy “an active man of business”
- adjective Requiring or implying action or exertion “active employment or service”
- adjective Given to action rather than contemplation; practical; operative “an active rather than a speculative statesman”
- adjective Brisk; lively. “an active demand for corn”
- noun A person or thing that is acting or capable of acting.
- noun (electronics) Any component that is not passive. See Passivity (engineering).
Synonyms
acting agile nimble in action working in force busy deedful diligent energetic operative top abuzz airy alive animate animated brisk busy as a bee buxom active agent active voice combat-ready fighting participating dynamic
Antonyms
passive indolent still quiescent dormant extinct dull sluggish inert tranquil sedentary theoretical inactive quiet stative
Etymology
From Middle English actyf, from Old French actif, from Latin āctīv(us), from agere (“to do, to act”), ultimately from Proto-Indo-European *h₂éǵeti. By surface analysis, act + -ive.
Webster’s 1913
- adjective Having the power or quality of acting; causing change; communicating action or motion; acting; --opposed to Ant: passive, that receives; as, certain active principles; the powers of the mind.
- adjective Quick in physical movement; of an agile and vigorous body; nimble; as, an active child or animal.
Etymology [F. actif, L. activus, fr. agere to act.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “active”, CC BY-SA 4.0. Details