| A | B |
|---|
| dormant | Temporarily inactive but capable of renewed activity. |
| energetic | Full of energy; peppy; lively |
| industrious | Hard-working |
| loiter | To stand idly about; linger |
| lull | A temporary lessening of activity or noise. |
| restless | Unable to relax, rest, or be still |
| sluggish | Showing little movement or activity |
| spry | Active; nible; lively; brisk |
| strenuous | Requiring great effort, energy, or exertion |
| vigor | Physical energy or strength |
