A levelPronunciation: /ˈeɪlɛvl/Translate A level | into German | into Spanish Definition of A level noun [mass noun] (in the UK except Scotland) a qualification in a specific subject typically taken by school students aged 16-18, at a level above GCSE. The equivalent in Scotland is the Higher. Compare with GCSE, O level. [count noun] an A-level exam or pass. Origin: 1950s: short for advanced levelA level in other Oxford dictionaries Definition of A level in the US English dictionary