| adjective | possessing life “the happiest person alive” |
| adjective | (often followed by `with') full of life and spirit “she was wonderfully alive for her age” |
| adjective | having life or vigor or spirit “an animated and expressive face” |
| adjective | (followed by `to' or `of') aware of “is alive to the moods of others” |
| adjective | in operation “keep hope alive” |
| adjective | mentally perceptive and responsive “an alert mind” |
| adjective | capable of erupting “a live volcano” |
| aliveness | noun | the property of being animated; having animal life as distinguished from plant life |
| liveness | noun | the property of being animated; having animal life as distinguished from plant life |
| activeness | noun | the state of being active |
| activity | noun | any specific behavior |
| alertness | noun | the process of paying close and continuous attention |