[ koh-zee ]
See synonyms for: cosily on

adjective, noun, verb,co·si·er, co·si·est,plural co·sies,co·sied, co·sy·ing.

Origin of cosy

First recorded in 1700–10

Other words from cosy

  • co·si·ly, adverb
  • co·si·ness, noun

Words Nearby cosy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cosy in a sentence

  • As William passed the hot tub he leaned in and said, "It looks quite cosy in there."

    Royal Hot Tub Sesh | Tom Sykes | October 9, 2012 | THE DAILY BEAST
  • In the law school, things have never seemed so merrily unlitigious and downright cosy.

    Lucky Number 44 | Patricia J. Williams | January 20, 2009 | THE DAILY BEAST
  • Often the doctor came to Hill Street and sat for long periods with the general in that small, cosy room which was his den.

    The Doctor of Pimlico | William Le Queux
  • I was so afraid that a really cosy bed would keep you awake after all those years in the trenches.

    First Plays | A. A. Milne
  • Over the writing-table was a barometer and a storm-glass, while to the left a cosy corner extended round to the fireplace.

    The Doctor of Pimlico | William Le Queux
  • When Sir Hugh entered his cosy study he found the doctor seated at his ease in the big chair by the fire.

    The Doctor of Pimlico | William Le Queux
  • The room they now entered was cosy and comfortable, being neatly furnished and well swept and dusted.

    The Tin Woodman of Oz | L. Frank Baum

British Dictionary definitions for cosy


US cozy

/ (ˈkəʊzɪ) /

adjective-sier or -siest or US -zier or -ziest
  1. warm and snug

  2. intimate; friendly

  1. convenient, esp for devious purposes: a cosy deal

nounplural -sies or US -zies
  1. a cover for keeping things warm: egg cosy

Origin of cosy

C18: from Scots, of unknown origin

Derived forms of cosy

  • cosily or US cozily, adverb
  • cosiness or US coziness, 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