Meaning of ACTIVE in English

transcription, транскрипция: [ ˈak-tiv ]


Etymology: Middle English, from Anglo-French or Latin; Anglo-French actif, from Latin activus, from actus, past participle of agere to drive, do — more at agent

Date: 14th century

1. : characterized by action rather than by contemplation or speculation

an active life

2. : producing or involving action or movement


a. of a verb form or voice : asserting that the person or thing represented by the grammatical subject performs the action represented by the verb

hits in “he hits the ball” is active

b. : expressing action as distinct from mere existence or state

4. : quick in physical movement : lively

5. : marked by vigorous activity : busy

the stock market was active

6. : requiring vigorous action or exertion

active sports

7. : having practical operation or results : effective

an active law


a. : disposed to action : energetic

took an active interest

b. : engaged in an action or activity

an active club member

c. of a volcano : currently erupting or likely to erupt — compare dormant 2a, extinct 1b

d. : characterized by emission of large amounts of electromagnetic energy

an active galactic nucleus

9. : engaged in full-time service especially in the armed forces

active duty

10. : marked by present operation, transaction, movement, or use

an active account


a. : capable of acting or reacting : reacting readily

active nitrogen

active ingredients

b. : tending to progress or to cause degeneration

active tuberculosis

c. of an electronic circuit element : capable of controlling voltages or currents


(1) : requiring the expenditure of energy

active calcium ion uptake

(2) : functioning by the emission of radiant energy or sound

radar is an active sensor

12. : still eligible to win the pot in poker

13. : moving down the line : visiting in the set — used of couples in contredanses or square dances

• active noun

• ac·tive·ly adverb

• ac·tive·ness noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.