verb - to study intensively, especially before an exam etc.

noun - a small piece of printed paper or an online code that gives you a discount or a special offer on a product or service, often used during a purchase

noun - an electric wire or wires covered in protective material that is used to carry electricity to an appliance or device

noun - an area of high or elevated land, usually located away from the coast, often characterized by hills, mountains, or rough terrain

noun, British English - an extra sum of money that some people get if they work somewhere where the cost of living is very high

noun - the act of closing and opening your eye very quickly, usually whey you want to give an unspoken signal to somebody

noun - one of the two parts of the body that we walk on, it has a knee in the middle and a foot at the end

noun - the distance between two points on the circumference of a circle that can be connected by a straight line passing the center of the circle

noun - an election in which voters choose representatives for a country's legislative body, such as parliament or congress

noun - an insect or other creature that uses a sting to protect itself to to fight other insects

noun, British English - a list of people showing when they are on duty, working, or taking part in an activity

noun - a list of people showing when they are on duty, working, or taking part in an activity

noun - an object that you use for cutting dough or pastry to make cookies of a particular shape

verb, informal - to touch someone in an inappropriate or unwanted way, often in a rough, unpleasant or sexual manner