Here's what rhymes with unrhythmical.
rhythmical arrhythmical Words that almost rhyme with unrhythmical
lyrical physical critical cynical elliptical umbilical inimical uncritical whimsical tricycle untypical finical empirical analytical mystical atypical encyclical rabbinical subliminal nonphysical noncritical noncriminal unpolitical cylindrical logistical apolitical overcritical metaphysical hypocritical preclinical supercritical nonpolitical parasitical sophistical archetypical hypercritical egoistical statistical indivisible geopolitical egotistical prototypical impermissible sociopolitical stereotypical psychoanalytical