cosy

UK: /ˈkəʊzi/ US: /ˈkoʊzi/ ,(kō′zē)

Inflections of 'cosy' (adj):

cosier

adj comparative (UK)

cosiest

adj superlative (UK)

Inflections of 'cosy' (n): npl: cosies (UK)

Inflections of 'cosy' (v): (⇒ conjugate)

cosies

v 3rd person singular (UK)

cosying

v pres p (UK)

cosied

v past (UK)

cosied

v past p (UK)

WordReference Random House Learner's Dictionary of American English © 2025

co•sy /ˈkoʊzi/   adj., -si•er, -si•est, n., pl. -sies, v., -sied, -sy•ing. 

1. cozy.

WordReference Random House Unabridged Dictionary of American English © 2025

co•sy  (kō′zē), adj., -si•er, -si•est, n., pl. -sies, v., -sied, -sy•ing. 

1. cozy.

• 1700–10

co′si•ly, adv. 
co′si•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

cosy, cozy / ˈkəʊzɪ/ adjective ( -sier, -siest) ( -zier, -ziest)

1. warm and snug
2. intimate; friendly

noun ( -sies, -zies)

1. Also called: cosey a cover for keeping things warm: egg cosy

Etymology: 18th Century: from Scots, of unknown origin

ˈcosily, ˈcozily adverb

ˈcosiness, ˈcoziness noun

WordReference Random House Learner's Dictionary of American English © 2025

co•zy /ˈkoʊzi/   adj., -zi•er, -zi•est, n., pl. -zies, v., -zied, -zy•ing. 
adj. 

1. snugly warm and comfortable:
   a cozy little house.
2. convenient, beneficial, or helpful as a result of some dishonest, deceitful, or illegal activity:
   a cozy little agreement among the competing firms.

n. [countable]

3. a padded covering for a teapot, etc., to retain the heat.

v. 

4. cozy up,
   • to (cause to) become more cozy: [no object]
     They cozied up by the fire.
     [~ + up + object]
     New curtains cozied up the room.
     [~ + object + up]
     New curtains will cozy it up.
   • [~ + up + to + object] to try to become friendly with someone in power to gain some benefit for oneself:
     cozied up to the boss to get a promotion.

Sometimes, cosy. co•zi•ly /ˈkoʊzəli/  adv. 
co•zi•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

co•zy  (kō′zē), adj., -zi•er, -zi•est, n., pl. -zies, v., -zied, -zy•ing. 
adj. 

1. snugly warm and comfortable:
   a cozy little house.
2. convenient or beneficial, usually as a result of dishonesty or connivance:
   a very cozy agreement between competing firms.
3. suggesting opportunistic or conspiratorial intimacy:
   a cozy relationship between lobbyists and some politicians.
4. discreetly reticent or noncommittal:
   The administrators are remaining cozy about which policy they plan to adopt.

n. 

5. a padded covering for a teapot, chocolate pot, etc., to retain the heat.

v.t. 

6. to make more cozy (often fol. by up):
   New curtains would cozy the room up a bit.

v.i. 

7. cozy up or up to, [Informal.]
   • to move closer for comfort or affection:
     Come over to the fire and cozy up a bit.
   • to try to become friendly or intimate in order to further one's own ends;
     attempt to ingratiate oneself:
     He's always cozying up to the boss.

Also, cosy, cozey, co′zie. 

• Scandinavian; compare Norwegian koselig cozy, kose seg to enjoy oneself 
• 1700–10; origin, originally Scots; perh.

co′zi•ly, adv. 
co′zi•ness, n. 
Synonyms

• 1. snug, comfy, homey, sheltered.

Collins Concise English Dictionary © HarperCollins Publishers::

cozy / ˈkəʊzɪ/ adjective ( -zier, -ziest) noun ( -zies)

1. the usual US spelling of cosy