অর্থ : (used colloquially) having the relationship of friends or pals.
সমার্থক : matey, pally, palsy-walsy
অর্থ : (used informally) associated on close terms.
উদাহরণ :
A close friend.
The bartender was chummy with the regular customers.
The two were thick as thieves for months.
সমার্থক : buddy-buddy, thick
Chummy meaning in Bengali (Bangla).