| having a full plate(expression, idiom, active, occupied, working) |
| having fish to fry(expression, idiom, active, occupied, working) |
| having many irons in the fire(expression, idiom, active, occupied, working) |
| hireling |
| hustling(adjective, lively, active, busy, occupied) |
| immersed(full, involved, occupied, inattentive, working) |
| in a job(adjective, active, busy, occupied, running) |
| in a meeting(expression, idiom, active, occupied, working) |
| in conference(expression, adjective, active, occupied, working) |
| in force(expression, running, alive, functioning, operational) |
| in full swing(expression, idiom, active, occupied, running) |
| in gear(expression, active, occupied, running, functioning) |
| in place(expression, adjective, idiom, active, full) |
| in process(expression, active, occupied, running, alive) |
| in the field(expression, idiom, active, occupied, working) |
| in the laboratory(expression, idiom, active, occupied, working) |
| industrious(adjective, lively, active, busy, occupied) |
| intent(active, full, involved, occupied, inattentive) |
| interested(full, involved, absorbed, occupied, working) |
| jobbed |