Wiktionary
chummier
a. (en-comparative of: chummy)
WordNet
chummier
See chummy
chummy
adj. (used colloquially) having the relationship of friends or pals [syn: matey, pally, palsy-walsy]
(used informally) associated on close terms; "a close friend"; "the bartender was chummy with the regular customers"; "the two were thick as thieves for months" [syn: buddy-buddy, thick(p)]
Usage examples of "chummier".
My morose mood is exacerbated by the fact that the four members of Clueless Crew are even chummier than usual.