Gloomier rhymes with:
newmyer, roomier, beaumier, cormier, creamier, freemyer, homeyer, newmyer, overmyer, pommier, rightmyer, roomier, steamier, wittenmyer
Gloomier sounds like:
gallamore, gallemore, gallimore, gellner, gillmore, gilmer, gilmore, gilmour, glamor, glamour, glenayre, glenmore, glenora, glimmer, glomar, glummer, goellner, gyllenhammar