| on assignment(expression, adjective, lively, active, occupied) |
| on duty(expression, adjective, lively, active, occupied) |
| on the go(expression, adjective, idiom, active, occupied) |
| operating busy(expression, full, involved, occupied, working) |
| out(adjective, available) |
| out of reach(expression, idiom) |
| outrageous(adjective, expensive, high-priced, pricey, pricely) |
| over-priced(adjective, expensive, high-priced, pricey, pricely) |
| overloaded(adjective, lively, active, busy, occupied) |
| overpriced(adjective, expensive, high-priced, pricey, pricely) |
| particular |
| performing(full, involved, occupied, working, interested) |
| persevering(adjective, lively, active, busy, occupied) |
| played out(verb, phrasal verb) |
| practicing(full, involved, occupied, working, interested) |
| precious(adjective, expensive, high-priced, pricey, pricely) |
| premium(adjective, expensive, high-priced, pricey, pricely) |
| preoccupied(full, involved, occupied, working, interested) |
| priceless(adjective, expensive, high-priced, pricey, pricely) |
| pricey(adjective, expensive, high-priced, pricely, unaffordable) |