Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “active”

active

adjective (DOING SOMETHING)   /ˈæk·tɪv/
doing something as you usually do, or being able to do something physically or mentally: He was still an active runner at 55. She’s active in state politics (= involved in it). She intends to remain politically active. His National Guard unit was put on active duty (= made part of the regular fighting force). An active volcano is one that might begin to throw out hot gases, liquid, or rocks at any time. actively    /ˈæk·tɪv·li/ adverb He isn’t actively involved in the day-to-day management of the business anymore.
(Definition of active adjective (DOING SOMETHING) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of active

Browse related topics

You are looking at an entry to do with Busy and active, but you might be interested in these topics from the Working topic area:

Definitions of “active” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More