adjective, formal - showing respect and politeness to someone, especially someone in a position of authority or higher status
verb - to talk to someone or write to them regularly, so you don’t lose contact
noun - the quality of being dark, gloomy, or hard to see through; the quality of being unclear or difficult to understand
adjective, formal - having the same size and shape; in agreement or harmony
noun - a small, thin stick used for removing food from between the teeth
noun - a girl's first name
noun - a boy's first name, a familiar form of Charles
noun, British English, informal - a young person, often from a lower social class who uses rude language, and behaves in a loud or aggressive way
adverb - always reliable, constant, and never-ending