[ grohs-out ]
/ ˈgroʊsˌaʊt /

noun Slang.

something that is disgustingly offensive.

Origin of gross-out

First recorded in 1970–75; noun use of verb phrase gross out

Definition for gross out (2 of 2)

Origin of gross

1350–1400; Middle English < Old French gros large (as noun, grosse twelve dozen) < Late Latin gross(us) thick, coarse


4 low, animal, sensual, broad.
6 massive, great.

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

British Dictionary definitions for gross out (1 of 2)

gross out

/ US slang /

verb (tr, adverb)

to cause (a person) to feel distaste or strong dislike for (something)

noun gross-out

a person or thing regarded as disgusting or objectionable

adjective gross-out

disgusting, boring, or objectionable

British Dictionary definitions for gross out (2 of 2)

Derived Forms

grossly, adverbgrossness, noun

Word Origin for gross

C14: from Old French gros large, from Late Latin grossus thick
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

Medicine definitions for gross out


[ grōs ]
Samuel David 1805-1884

American surgeon and educator who wrote widely influential medical treatises, including A System of Surgery (1859).

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Culture definitions for gross out


Exclusive of deductions, prior to taxation, as in gross income. (Compare net.) Total, aggregate, as in gross domestic product.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.