Applying a function to a number of variables stored as a list

Question

If I have a function of several variables $f(a,b,...)$, where the variables are stored in a list

{a,b,...}

how do I call on the function? The following:

f[{a,b,...}]

tries to apply the function to the list as a whole, whereas I want

f[a,b,...]

What is the quick way of doing this (I have a lot of variables, so don't want to write them all out every time I want $f$)? Thanks in advance for any help.