Small, fine, or detailed; can also mean stingy in some contexts.
細かい字でも問題なく読める。
I can read even very small characters without any problem.
会計のために細かなお金を用意してください。
Please prepare small change for the payment.
彼は細かな性格で、些細なことでも気にする。
He has a meticulous personality and worries about even trivial things.