Here's what rhymes with overluxuriant.
luxuriant Words that almost rhyme with overluxuriant
subservient dirtiest worthiest sturdiest murkiest curliest thirstiest burliest nerviest quirkiest scurviest wordiest nerdiest pearliest perkiest chirpiest curviest jerkiest unworthiest unearthliest worldliest praiseworthiest noteworthiest unworldliest