[ blahynd-sahyd ]
/ ˈblaɪndˌsaɪd /
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See synonyms for: blindside / blindsided on Thesaurus.com

verb (used with object), blind·sid·ed, blind·sid·ing.
Sports. to tackle, hit, or attack (an opponent) from the blind side:The quarterback was blindsided and had the ball knocked out of his hand.
to attack critically where a person is vulnerable, uninformed, etc.: The president was blindsided by the press on the latest tax bill.
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Origin of blindside

First recorded in 1970–75; verb use of noun phrase blind side

Other definitions for blindside (2 of 2)

blind side

the part of one's field of vision, as to the side and rear, where one is unable to see approaching objects.
the side opposite that toward which a person is looking.

Origin of blind side

First recorded in 1600–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use blindside in a sentence

British Dictionary definitions for blindside

blind side

rugby the side of the field between the scrum and the nearer touchline
the side on which a person's vision is obscured
verb blind-side
(tr) US to take (someone) by surprise
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

Other Idioms and Phrases with blindside

blind side

see under blind spot.

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