1pros·trate 
/ˈprɑ:ˌstreɪt/ adjective
/ˈprɑ:ˌstreɪt/ adjective 1 : lying with the front of your body turned toward the ground
▪ The police found the body in a prostrate position. ▪ a prostrate body ▪ She was lying prostrate on the bed. 2 : so tired, upset, etc., that you are unable to do anything
▪ They were prostrate from/with the heat. ▪ He was prostrate with grief. [=he was completely overcome by grief]
▪ The police found the body in a prostrate position. ▪ a prostrate body ▪ She was lying prostrate on the bed.
▪ They were prostrate from/with the heat. ▪ He was prostrate with grief. [=he was completely overcome by grief]
