Simple Definition of O level
: a basic test in a particular subject taken by students in England, Wales, and Northern Ireland usually at the age of 18
Full Definition of O level
1 : the lowest of three levels of standardized British examinations in a secondary school subject; also : successful completion of an O-level examination in a particular subject —called also Ordinary level — compare a level, s level
2 a : the level of education required to pass an O-level examination b : a course leading to an O-level examination
First Known Use of o level
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