noun British.
- a public examination for secondary-school students, usually 15 to 16 years old, testing basic knowledge in various subjects, required before advancing to more specialized courses of study.
- a pass in this examination.
noun (formerly, in Britain)
-
- the basic level of the General Certificate of Education, now replaced by GCSE
- (as modifier)O level maths
- a pass in a particular subject at O levelhe has eight O levels