adjective, chum·mi·er, chum·mi·est. Informal.

friendly; intimate; sociable.

Origin of chummy

First recorded in 1825–35; chum1 + -y1
Related formschum·mi·ly, adverbchum·mi·ness, noun

Synonyms for chummy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chummily

Historical Examples of chummily

  • Kirke grabbed my hand and squeezed it chummily, and I smiled at him.

    Sunny Slopes

    Ethel Hueston

  • She held out a slender shapely hand and Connie took it quickly, chummily, and the two girls turned toward the door.

    Prudence Says So

    Ethel Hueston

British Dictionary definitions for chummily


adjective -mier or -miest

informal friendly
Derived Formschummily, adverbchumminess, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for chummily



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.

Online Etymology Dictionary, © 2010 Douglas Harper