det,pron

 

some used in questions and negatives to mean 'some'

Is there any of that lemon cake left?

 

not important which one of or each of a particular kind of person or thing when it is not important which

Can you pass me a spoon? Any will do.

 

adverb

 

used in questions and negatives to emphasize a comparative adjective or adverb

Do you feel any better?