Here's what rhymes with shiftier.
thriftier niftier Words that almost rhyme with shiftier
siltier shittier iffier sillier guiltier wittier filthier hillier fierier silkier eerier inkier fishier spiffier zippier filmier flintier itchier fiddlier fizzier ickier mintier sniffier linear innkeeper prettier busier cheerier chillier skinnier stickier wearier dizzier flimsier grittier spicier giddier pithier kinkier pickier milkier ritzier tinnier bitchier frillier frizzier mirier nippier spinier stinkier tipsier beerier slinkier slippier dinkier leerier snippier wigglier zingier chintzier dippier dishier kickier inferior superior cheerleader ringleader riskier kindlier trickier infielder dingier skimpier stingier friskier kinglier stripteaser widener glitzier prissier spindlier twitchier wimpier blearier drippier privier anterior interior exterior ulterior midfielder springier stringier princelier waterier bristlier nonlinear curvilinear interlinear rectilinear