■ If someone or something is in demand or in great demand, they are very popular and a lot of people want them. (COBUILD)
■ wanted by a lot of people (OALD)
■ sought after; popular (COLLINS)
■ greatly desired; coveted, desired, in demand(p), sought after (WordNet)
- He was much in demand as a lecturer in the US.
- Good nurses are always in demand.