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