active

Often moving, exercising, or taking part in activities.

• My grandmother is very active.
• He stays active by swimming.
• They are active members of our club.

How to use it: active in something (She is active in local politics.)

Similar words: energetic, busy, involved

Opposites: inactive

Common phrases: active lifestyle, active member, physically active

Working or ready to work because it has been switched on or started.

• Your account is now active.
• Only one connection was active.
• Is the alarm still active?

Similar words: operating, enabled

Opposites: inactive

Common phrases: active account, active connection, active alarm

Able to act or produce a change instead of simply receiving an effect.

• The active ingredient kills bacteria.
• Heat destroys some active substances in the mixture.
• The drug contains two active chemicals.

Similar words: effective, acting

Opposites: passive, inert

Common phrases: active ingredient, active agent, active substance

Describing a sentence or verb form in which the subject performs the action.

• This sentence is active.
• Try writing the instructions in the active voice.
• The teacher changed the passive verbs into active ones.

Opposites: passive

Common phrases: active voice, active verb, active sentence

Showing a lot of movement, interest, or business activity.

• There is an active market for old toys.
• Trade remained active throughout the winter.
• The town has an active nightlife.

Similar words: lively, brisk

Opposites: quiet, slow

Common phrases: active market, active demand, active trade