1. adjective /ˈəʊpɪiət,ˈəʊˌpɪieɪt,ˈoʊpɪiət,ˌoʊpɪieɪt/
a) Relating to, resembling, or containing opium.
2. noun /ˈəʊpɪiət,ˈəʊˌpɪieɪt,ˈoʊpɪiət,ˌoʊpɪieɪt/
3. verb /ˈəʊpɪiət,ˈəʊˌpɪieɪt,ˈoʊpɪiət,ˌoʊpɪieɪt/
To treat with an opiate drug.
Wikipedia foundation.