| apprehensive(adjective, cool, sensible, alert, significant) |
| astir(adjective, moving, active, alert, careful) |
| biotic |
| bubbly(adjective, energetic, lively, aggressive, exciting) |
| cheerful(adjective, energetic, active, full, busy) |
| conversant(adjective, cool, sensible, significant, familiar) |
| crawling(adjective, packed, crowded, swarming, infested) |
| crowded |
| eager(adjective, correct, energetic, active, alert) |
| expressive(adjective, open, significant, sensitive, animated) |
| filled |
| frisky(adjective, activity, keen, intense, energetic) |
| full(adjective, complete, supplied) |
| having life |
| heedful(adjective, alert, familiar, wise, knowledgeable) |
| hip(adjective, cool, knowledge, slang, alert) |
| humming(adjective, busy) |
| in the flesh(expression, adjective, idiom, life, existing) |
| jammed |
| operating(adjective, action, moving, active, awareness) |