Here's what rhymes with gloomier.
roomier fumier plumier Words that almost rhyme with gloomier
loonier sunnier groovier loopier rubier oozier moodier goofier droopier newsier boozier kookier woozier broodier nuclear spookier unrulier scuzzier proofreader schoolteacher nonnuclear mononuclear thermonuclear antinuclear