Here's what rhymes with definicidn.
widen beiden Words that almost rhyme with definicidn
heighten frighten tighten lighten ripen whiten titan brighten enlighten pallidum siren hyphen scion siphon hymen syphon horizon lion fibrin bison fireman firemen lichen liken liven thriven baryon prion lineman linemen pinyon finespun bedizen billycan funnyman enliven aphelion cotyledon linesman veniremen dicotyledon dandelion perihelion monocotyledon