Chummy

[chuhm-ee] /ˈtʃʌm i/

adjective, chummier, chummiest. Informal.
1.
friendly; intimate; sociable.
/ˈtʃʌmɪ/
adjective -mier, -miest
1.
(informal) friendly
adj.

1874, from chum (n.1) + -y (2). Related: Chumminess. Previously it was a noun, a common name for a chimney sweep, as a corruption of chinmey.

adjective

Very friendly; buddy-buddy, palsy-walsy (1880s+)

noun

chum1 (1840s+)

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