Free verse
Free verse differs from traditional forms of poetry in that it is “free” of a regular beat or meter. Free verse usually does not rhyme, usually does not follow a predetermined pattern, and often contains fragmentary syntax.
Nonsense Poetry
Nonsense poetry ordinarily is composed in lyric or narrative form, but it does not conform to the expected order of things. It defies reason. It is playful poetry in which meaning is subordinate to sound. “Nonsense is a literary genre whose purpose is to rebel against not only reason but the physical laws of nature.