icy

UK: /ˈaɪsi/ US: /ˈaɪsi/ ,(ī′sē)

Inflections of 'icy' (adj):

icier

adj comparative

iciest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2026

i•cy /ˈaɪsi/   adj., i•ci•er, i•ci•est. 

1. made of, resembling, or covered with ice:
   icy runways at the snowbound airport.
2. very cold:
   Her hands were icy from the cold.
3. showing anger or dislike in a quiet way;
   hostile;
   unfriendly:
   an icy stare.

i•ci•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026

i•cy  (ī′sē), adj., i•ci•er, i•ci•est. 

1. made of, full of, or covered with ice:
   icy roads.
2. resembling ice.
3. cold:
   icy winds.
4. without warmth of feeling;
   coldly unfriendly;
   frigid:
   an icy stare.

• Middle English isy, Old English īsig. See ice, -y¹ bef. 900

Synonyms

• 4. cold, distant, cool, chilly.

Collins Concise English Dictionary © HarperCollins Publishers::

icy / ˈaɪsɪ/ adjective (icier, iciest)

1. made of, covered with, or containing ice
2. resembling ice
3. freezing or very cold
4. cold or reserved in manner; aloof