adj.
1.having ones attention or mind or energy engaged
2.involved in military hostilities
3.reserved in advance
4.(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability
5.(used of toothed parts or gears) interlocked and interacting
6.having services contracted for
7.built against or attached to a wall
8.pledged to be married
Idiom of the Day
give (someone) a dirty look
to frown or make an angry face at someone
I gave the woman a dirty look when she began talking loudly on her cell phone.