An actual word, despite the objections of many people. An adjective in the dictionary: dictionary.reference. com/browse/funner

Also "more fun", "funnest", "fun"

An activity that is enjoyable in a way that can be easily identified as fun

It's a word, get over it.

A word that wasn't official until Shay Carl said so. An easier (and cooler) way of saying "more fun".

Its more fun than that.

Adj. non-standard comparative form of "more fun". Meaning that a given something (noun) provides more mirth or more entertainment than something else.

To say in a sentence that you want to describe you had more fun.