IPA: /ˈfjʊər/
KK: /ˈfjuːər/
A smaller number of people or things compared to another group.
There are fewer apples in this basket than in the other one.
The word 'fewer' originates from Old English 'fēower' (meaning four) and is related to the comparative form of 'few'. It indicates a smaller number of countable items compared to another quantity.
Think of 'few' as a small number, and 'fewer' means an even smaller number when comparing two amounts.