Here's what rhymes with sleepiest.
creepiest weepiest Words that almost rhyme with sleepiest
meatiest peachiest screechiest easiest sleaziest leafiest fleeciest lenient dreariest greasiest teeniest breeziest cheekiest evenest seamiest steamiest weeniest steeliest geekiest mealiest briniest wheeziest breathiest sheeniest yeastiest deviant seemliest teensiest uneasiest measliest queasiest weensiest queenliest immediate obedient unseemliest expedient ingredient disobedient inexpedient