| in harness(expression, adjective, active, busy, occupied) |
| in place(expression, adjective, active, occupied, working) |
| in play(expression, adjective, active, effective, alive) |
| in practice |
| in the field(expression, idiom, active, occupied, working) |
| in the laboratory(expression, idiom, active, occupied, working) |
| in use(expression, adjective, active, full, involved) |
| in work(expression, active, busy, working, salaried) |
| industrious(adjective, lively, active, busy, occupied) |
| inked(adjective, active, busy, occupied, working) |
| intent(adjective, active, full, involved, occupied) |
| laboring(adjective, active, busy, occupied, working) |
| mobile(adjective, moving, active, effective, running) |
| movable(adjective, moving, active, effective, running) |
| moving(adjective, active, effective, running, alive) |
| on assignment(expression, adjective, active, occupied, working) |
| on board(expression, adjective, active, busy, occupied) |
| on the payroll(expression, adjective, active, busy, occupied) |
| on the run(expression, idiom) |
| operating busy(adjective, full, involved, occupied, working) |