“You’re too funny.” “Why? What did I do?” She was laughing too hard to be taken aback. “What do you mean?” Snort. “If I was too funny, then I wasn’t just the right amount of funny. When did I cross the line?” Her hysterics subsided. “I’m not sure.” She instinctively reached for his hand. “I simply showed you the comic, which I thought was simply funny, and then reiterated that I like the man in the last panel would be thinking about how the bear might defend himself from…”
“Un-” is a negative prefix denoting the opposite of the word to which it is affixed. The nearest equivalent prefix is “non-”, which denotes the same thing. “Un-”, however, also possesses a connotation (in many applications of the prefix) of time, where previously the state or thing that is not, once was. In the case of zombies, the term “undead” is used to refer to them as a collective whole, as a race or species.