Here's what rhymes with punctilious.
bilious supercilious Words that almost rhyme with punctilious
serious mysterious imperious delirious deleterious cafeterias paterfamilias patresfamilias chilliness tibias hideous dizziness pitiless silliness ligneous bitchiness pithiness hilliness tinniness affiliates oblivious vitreous amphibious giddiness prettiness stickiness filthiness grittiness milkiness silkiness trickiness tipsiness wittiness prissiness initiates insidious resilience weariness fastidious invidious lascivious riskiness conciliates percipience princeliness skinniness bleariness experience ignominious lineaments consanguineous flimsiness incipience propitiates friskiness skimpiness disaffiliates recipients inexperience miscreants