the front › the side of something that is most important or most often seen because it faces forward: You need to write the address clearly on the front of the envelope. There was blood on the front of his shirt. › the part of something that is furthest forward: We asked to sit in the front of the plane. He was standing right at the front.
in front › further forward than someone or something else: The car in front stopped suddenly and I went straight into the back of it. She started a conversation with the man sitting in front of her. › winning in a game or competition: By half time the Italians were well in front.
in front of › close to the front part of something: He parked the car in front of the house. › where someone can see or hear you: Please don't swear in front of the children.
BEHAVIOUR [C] › when someone behaves in a way that hides how they really feel: [usually singular] Many parents decide to stay together, putting up a front for the children's sake. ILLEGAL ACTIVITY [C] › an organization or activity that is used to hide a different, illegal activity: [usually singular] Police discovered the restaurant was just a front for a drugs operation. the front › an area of land where soldiers fight during a war: Thousands of young men were sent to the front to fight.
on the business/jobs/politics, etc front › in a particular area of activity: How are things on the work front at the moment?
WEATHER [C] › a line where warm air meets cold air affecting the weather: A cold front is moving across the Atlantic.