verb - to make slight changes to something, e.g. a piece of writing, in order to improve it
noun - a small hole in a piece of clothing where a button fits through to fasten it
noun - a road with two separate lanes going in each direction, divided by a strip or barrier
noun, formal - a natural tendency or inclination to behave in a particular way, especially something bad or negative
noun - low-quality behaviour that is dishonest, immoral, or cheap, especially in politics, business, or sexual matters
verb - to struggle or compete against someone or something difficult, often in order to win or survive
adjective, formal - showing respect and politeness to someone, especially someone in a position of authority or higher status
noun, American English - a small room in a building (e.g. a theatre) where people leave their coats, bags etc.