[ guht ]
See synonyms for gut on
  1. the alimentary canal, especially between the pylorus and the anus, or some portion of it.: Compare foregut, midgut, hindgut.

  2. guts,

    • bowels or entrails.

    • Informal. courage and fortitude; nerve; determination; stamina: Climbing that cliff takes a lot of guts.

    • the inner working parts of a machine or device: The mechanic had the guts of the refrigerator laid out on the kitchen floor.

  1. the belly; stomach; abdomen.

  2. the substance forming the case of the intestine; intestinal tissue or fiber: sheep's gut.

  3. a preparation of the intestines of an animal, used for various purposes, as for violin strings, tennis rackets, or fishing lines.

  4. the silken substance taken from a silkworm killed when about to spin its cocoon, used in making snells for fishhooks.

  5. a narrow passage, as a channel of water or a defile between hills.

  6. Slang.Also gut course . snap course.

verb (used with object),gut·ted, gut·ting.
  1. to take out the guts or entrails of; disembowel.

  2. to destroy the interior of: Fire gutted the building.

  1. to plunder (a house, city, etc.) of contents: Invaders gutted the village.

  2. to remove the vital or essential parts from: The prisoner's letters were gutted by heavy censorship.

  1. Informal.

    • basic or essential: to discuss the gut issues.

    • based on instincts or emotions: a gut reaction; gut decisions.

Idioms about gut

  1. spill one's guts, Slang. to tell all; lay oneself bare; confess everything: The celebrity chef spills his guts in his autobiography.

Origin of gut

First recorded before 1000; Middle English gut, guttes (plural), Old English guttas (plural), akin to gēotan “to pour”

Other words for gut

Other words from gut

  • gut·like, adjective
  • un·gut·ted, adjective

Other definitions for GUT (2 of 2)


  1. grand unification theory. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use gut in a sentence

British Dictionary definitions for gut (1 of 2)


/ (ɡʌt) /

    • the lower part of the alimentary canal; intestine

    • the entire alimentary canal: Related adjective: visceral

  1. (often plural) the bowels or entrails, esp of an animal

  1. slang the belly; paunch

  2. See catgut

  3. a silky fibrous substance extracted from silkworms, used in the manufacture of fishing tackle

  4. a narrow channel or passage

  5. (plural) informal courage, willpower, or daring; forcefulness

  6. (plural) informal the essential part: the guts of a problem

  7. bust a gut informal to make an intense effort

  8. have someone's guts for garters informal to be extremely angry with someone

  9. hate a person's guts informal to dislike a person very strongly

  10. sweat one's guts out or work one's guts out informal to work very hard

verbguts, gutting or gutted (tr)
  1. to remove the entrails from (fish, etc)

  2. (esp of fire) to destroy the inside of (a building)

  1. to plunder; despoil: the raiders gutted the city

  2. to take out the central points of (an article), esp in summary form

  1. informal arising from or characterized by what is basic, essential, or natural: a gut problem; a gut reaction

Origin of gut

Old English gutt; related to gēotan to flow; see fusion

Derived forms of gut

  • gutlike, adjective

British Dictionary definitions for GUT (2 of 2)


/ (ɡʌt) /

n acronym for
  1. grand unified theory

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

Scientific definitions for gut (1 of 2)


[ gŭt ]

  1. The intestine of a vertebrate animal.

  2. The alimentary canal of an invertebrate animal.

  1. The tube in a vertebrate embryo that later develops into the alimentary canal, lungs, and liver.

Scientific definitions for GUT (2 of 2)


  1. Abbreviation of grand unified theory See unified field theory.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Other Idioms and Phrases with gut


In addition to the idiom beginning with gut

  • gut it out

also see:

  • bust a gut
  • hate someone's guts
  • have the guts

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