单词 | active |
释义 | active1 of 2adjective ac·tive ˈak-tiv 1 : characterized by action rather than by contemplation or speculation an active life 2 : producing or involving action or movement 3 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 active verbs such as "eat" and "sing" 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 8 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 sense 2a, extinct entry 1 sense 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 11 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 d(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 contra dances or square dances 14 medical : producing active immunity Active immunization against Bordetella pertussis, the causative agent of whooping cough, is now usually achieved with combined pertussis-tetanus-diphtheria (DTP) vaccine. Scientific American Medicine actively adverb activeness noun active 2 of 2noun plural actives : an active person : one engaged in an action or activity fraternity alumni and actives We announced in December that Instagram now has over 600 million monthly actives and recently passed 400 million daily actives. Mark Zuckerberg active adjective1 as in operating being in effective operation the abandoned factory had not been active for years Synonyms & Similar Words Relevance
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2 as in energetic having much high-spirited energy and movement the fish are active today, but we still haven't caught anything Synonyms & Similar Words
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3 as in engaged involved in often constant activity all morning the crowd at the coffeehouse kept Marion and her helper pretty active Synonyms & Similar Words
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