| active(adjective, lively, busy, occupied, working) |
| already taken(expression, adjective, active, overrun, occupied) |
| assiduous(adjective, lively, active, busy, occupied) |
| at it(expression, adjective, active, overrun, occupied) |
| at work(expression, adjective, active, occupied, working) |
| buried(adjective, lively, active, busy, occupied) |
| diligent(adjective, lively, active, busy, occupied) |
| employed(adjective, lively, active, busy, occupied) |
| engaged(adjective, lively, active, busy, occupied) |
| engrossed(adjective, lively, active, busy, occupied) |
| having fish to fry(expression, idiom, active, overrun, occupied) |
| having many irons in the fire(expression, idiom, active, overrun, occupied) |
| hustling(adjective, lively, active, busy, occupied) |
| in a meeting(expression, idiom, active, overrun, occupied) |
| in conference(expression, adjective, active, overrun, occupied) |
| in the field(expression, idiom, active, overrun, occupied) |
| in the laboratory(expression, idiom, active, overrun, occupied) |
| industrious(adjective, lively, active, busy, occupied) |
| occupied(adjective, lively, active, busy, working) |
| on assignment(expression, adjective, active, overrun, occupied) |