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Adjective: chummy (chummier,chummiest)  chú-mee
  1. (used colloquially) having the relationship of friends or pals
    - matey [Brit], pally, palsy-walsy, maty [Brit]
  2. (informal) associated on close terms
    "the bartender was chummy with the regular customers";
    - buddy-buddy, thick

Derived forms: chummiest, chummier

See also: close, friendly

Encyclopedia: Chummy