Origin of cozy

1700–10; orig. Scots; perhaps < Scandinavian; compare Norwegian koselig cozy, kose seg to enjoy oneself
SYNONYMS FOR cozy
Related formsco·zi·ly, adverbco·zi·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cozy up

cozy

/ (ˈkəʊzɪ) /

adjective, noun -zier or -ziest or plural -zies

the usual US spelling of cosy
Derived Formscozily, adverbcoziness, 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 cozy up

cozy


adj.

1709, colsie, Scottish dialect, perhaps of Scandinavian origin (cf. Norwegian kose seg "be cozy"). In Britain, usually cosy. Related: Cozily; coziness.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with cozy up

cozy up


Try to get on friendly or intimate terms, ingratiate oneself. For example, That new woman is always cozying up to one or another club member so she'll be asked to join. [Mid-1900s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.