What is Any ?
Any is adj, pron 1. it doesn’t matter which I’m free any day next week except Tuesday. I don’t like any of the paintings in the exhibition. 2. a quantity Have you any money left? Is there any food for me? Would you like any more to eat? Will any of your friends be there? 3. not…any none There isn’t any food left they’ve eaten it all. Can you lend me some money? sorry, I haven’t got any. (adv) not…any not even a little more (used to emphasise comparatives) He can’t cycle any faster. She’s been in hospital for two weeks and isn’t any better. Can’t you sing any louder?
source: Easier English, Student Dictionary Upper Intermediate Level