involved and participating in a particular area or group, e.g., politics, a club
effective in fighting or opposing something, such as a disease or an enemy
to be in a state of doing things or moving around
to continue to be active (more informal)
to continue to be active, especially when it might be difficult
to cause someone to or to continue to be physically or mentally active
to start being active, often in a new area or way
to be active to a high degree
engaging the body in activities
engaging in sexual activity
to be active to a very high degree
engaging the mind in activities
participating in political activities
used to describe something with a great deal of energy or effect, e.g., a volcano, a substance
participating in the economy, usually by working
becoming more active over time
to be active to a moderate degree