na·ture ( P ) Pronunciation Key (nchr) n. The material world and its phenomena. The forces and processes that produce and control all the phenomena of the material world: the laws of nature. The world of living things and the outdoors: the beauties of nature. A primitive state of existence, untouched and uninfluenced by civilization or artificiality. beau·ty ( P ) Pronunciation Key (byt) n. pl. beau·ties The quality that gives pleasure to the mind or senses and is associated with such properties as harmony of form or color, excellence of artistry, truthfulness, and originality. One that is beautiful, especially a beautiful woman. A quality or feature that is most effective, gratifying, or telling. hu·man·i·ty ( P ) Pronunciation Key (hy-mn-t) n. pl. hu·man·i·ties Humans considered as a group; the human race. The condition or quality of being human. The quality of being humane; benevolence. A humane characteristic, attribute, or act.