revise

Universal Words verb 1 [VN] to change your opinions or plans, for example because of sth you have learned: I can see I will have to revise my opinions of his abilities now. * The government may need to revise its policy in the light of this report. 2 [VN] to change sth, such as a book or an estimate, in order to correct or improve it: a revised edition of a textbook * I'll prepare a revised estimate for you. * We may have to revise this figure upwards. 3 (BrE) to prepare for an exam by looking again at work that you have done: [V] I spent the weekend revising for my exam. * I can't come out tonight. I have to revise. * [VN] I'm revising Geography today.