engaging or ready to engage in physically energetic pursuits

although he was seventy he was still robust and active

pursuing an occupation or activity at a particular place or in a particular way

the artist was active in the 1920s

tigers are active mainly at night

a politically active student body

sexually active teenagers

(of a thing) working; operative

the old watermill was active until 1960

denoting a voice of verbs in which the subject is typically the person or thing performing the action and which can take a direct object (e.g. she loved him as opposed to the passive form he was loved)

an active form of a verb