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

Derived forms: chummier, chummiest

See also: close, friendly

Encyclopedia: Chummy