Here's what rhymes with unpedestrian.
pedestrian equestrian Words that almost rhyme with unpedestrian
vestrymen vestryman carrion thespian lesbian ovarian barbarian clarion ferryman ferrymen agrarian librarian sectarian antiquarian libertarian vegetarian chameleon trinitarian sanitarian cnidarian authoritarian proletarian octogenarian nonsectarian centenarian nonagenarian vulgarian utilitarian egalitarian totalitarian communitarian veterinarian seminarian humanitarian disciplinarian parliamentarian latitudinarian septuagenarian valetudinarian sexagenarian