| having your services engaged for; or having a job especially one that pays wages or a salary | built against or attached to a wall |
| made useful | having services contracted for |
| | (used of toothed parts or gears) interlocked and interacting |
| | involved in military hostilities |
| | (of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line) |
| | reserved in advance |
| | having ones attention or mind or energy engaged |
| | pledged to be married |