adjective

• Having life; living; not dead.
• In a state of action; in force or operation; existent.
• Busy with activity of many living beings; swarming; thronged; busy.
• (of electrical wiring) Carrying electrical current; energized.
• (in the construction "alive to") Aware of; sensitive to.
• Sprightly; lively; brisk.
• Susceptible, sensitive; easy to impress; having keen feelings, as opposed to apathy.
• (intensifier) Out of all living creatures.
• (programming) Synonym of live