Zombatable 

A person who would win/survive a zombie invasion
or
An Person who would kill the most zombies out of anyone

Wow hes Zombatable

Zombatable by zombie_assassin May 29, 2011

combatable 

When two things are in clear conflict with each other. The opposite of compatable.

Mike & Jane were very compatable when they got married. But after a few years they became combatable & got divorced.

combatable by Geaver June 19, 2016