Someone might use a comparative form of the adjective “wild” to describe something out of control, as in, “Our new puppy is wilder than all three kids combined.” It’s not quite correct grammar (that would be “more wild”), but your point would get across. The “wilder” we’re talking about here, though, is the verb “wilder,” meaning either “perplex” or “drive astray.” It’s an archaic word, but you’re likely familiar with a more modern synonym: “bewilder.”