B2 area or length; amount: From the top of the Empire State Building, you can see the full extent of Manhattan (= the area it covers). We don't yet know the extent of his injuries (= how bad his injuries are). Rosie's teacher was impressed by the extent of her knowledge (= how much she knew). The River Nile is over 6,500 kilometres in extent (= length).General words for size and amount the extent to which C2 the degree to which something happens or is likely to happen: She had not realized the extent to which the children had been affected. to the extent of › so strongly that: Some people hold their beliefs very strongly, even to the extent of being prepared to go to prison for them.Intensifying expressions to the extent that › to a particular degree or stage, often causing particular results: Sales have fallen badly this year, to the extent that we will have to close some of our shops.Intensifying expressions to the same extent › to the same degree as; as much as: The rich will not benefit from the proposed changes to the tax system to the same extent as the lower paid.Similar and the sameDescribing people with the same qualities to some extent B2 partly: To some extent, she was responsible for the accident.Incomplete to such an extent › so much: The car was damaged to such an extent that it couldn't be repaired.Intensifying expressions to what extent? › how much: To what extent will the budget have to be modified? To what extent do you think he's aware of the problem?Question words and expressions