noun, technical - a serious mental condition in which a person gradually loses the ability to think, remember, and behave normally, usually because of disease or old age
adjective, formal - feeling very sad and lonely because something important has been taken away, or lacking something you need or expect
noun, formal - an action or process that shows you regret hurting someone or doing something bad, and try to make it better
verb, formal - to do something to show you are sorry for something you caused and to make things right
noun, formal - small, miscellaneous items that don’t fit into a specific category
adjective, formal - various; of different kinds, usually not worth listing individually
noun - the brightest star in the constellation Ursa Minor, located nearly directly above the Earth’s North Pole
noun - a small constellation in the northern sky, also known as the Little Bear; it contains Polaris, the North Star
noun - a large constellation in the northern sky, also known as the Great Bear; it contains the asterism called the Big Dipper
noun - a prominent constellation named after a hunter in Greek mythology
phrase - used as a polite response to thanks
verb - to change information or data into a secret code, so that only authorized people can read it
noun - the process of converting information or data into a code to prevent unauthorized access
adjective, formal - very attractive or charming in a mysterious or seductive way
adjective, British English, informal - not straight, level, or properly balanced; shaky or unstable