15-Letter Words Containing: O,U,S,T,A,C,H,E

• the mental representation of sexual activities

• the branch of medicine dealing with mental disorders attributable to diseases of the nervous system

• former genus of primitive apelike men now Homo erectus

• not wise in the ways of the world

• lacking complexity

• awkwardly simple and provincial

• excessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant life; the decomposition of the plants depletes the supply of oxygen, leading to the death of animal life