adjective, i·ci·er, i·ci·est.

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

Origin of icy

before 900; Middle English isy, Old English īsig. See ice, -y1

Synonyms for icy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for icy


adjective icier or iciest

made of, covered with, or containing ice
resembling ice
freezing or very cold
cold or reserved in manner; aloof
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 icy

Old English isig; see ice (n.) + -y (2). Modern use is said to be a late Middle English re-formation. Figurative use from 1590s. Related: Icily; iciness.

Online Etymology Dictionary, © 2010 Douglas Harper