chummy
adjective
1.
(used colloquially) having the relationship of friends or pals
2.
(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”
Origin
From chum + -y.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.