Active may mean:

• active lifestyle
• active volcano
• Sky Active, Sky's Interactive Service
• active grammatical voice
• Active electronics are components, circuits or units of equipment that consume power other than the signal itself, most normally to provide amplification. See active component.
• in any sexual activity involving penetration, active refers to the penetrating party, and passive to the receiving one
• in a fraternity or sorority, a member currently enrolled in school and actively participating with the organization (in this case, "active" is used as a noun)
• ACTIVE aircraft capibilities

See also

• Activation
• Activity
• Passive

aktiv