rhythmlessly

== English == === Etymology === From rhythmless + -ly. === Pronunciation === IPA(key): /ˈɹɪðm̩.ləs.li/ === Adverb === rhythmlessly (comparative more rhythmlessly, superlative most rhythmlessly) Without a rhythm. ==== Usage notes ==== Along with psychorhythms and dyssynchrony, this is the longest English word containing only one of the five major vowels.