A bosom buddy is a close friend or confidant. The crossword solutions for the term 'bosom buddy' include ASP (3 letters), PAL (3 letters), CHUM (4 letters), CRONY (5 letters), VERA (4 letters), COMRADE (7 letters), ENG (3 letters), and BRA (3 letters). These words all refer to someone who is a close friend or companion, such as a PAL, CHUM, CRONY, vera, COMRADE, eng, or bra. MAME (4 letters) is also a term used to refer to a close female friend.