1 ~ (in / on sth) (formal) busy doing sth:
They are engaged in talks with the Irish government. * He is now engaged on his second novel. * I can't come to dinner on Tuesday-I'm otherwise engaged (= I have already arranged to do something else). * They were engaged in conversation.
2 ~ (to sb) having agreed to marry sb:
She's engaged to Peter. * They are engaged to be married (= to each other). * When did you get engaged? * an engaged couple
3 (BrE) (AmE busy) (of a telephone line) being used:
I couldn't get through-the line's engaged. * I phoned earlier but you were engaged (= using your phone). * the engaged tone / signal
4 (BrE) (of a public toilet) being used
compareVACANT
