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