English Reference
noun · verb · adjective

gut

n. · v. · adj.
US /ˈɡət/ UK /ɡˈʌt/ gut UK spelling gutting

  1. 01 B2 Upper Intermediate Informal

    n.a person's stomach, especially if it is large or fat.

    n.the human abdomen, particularly when prominent or enlarged.

    Simple

    He has developed a bit of a gut since he stopped going to the gym.

    In context

    The protagonist was described as a jovial man with a protruding gut that shook whenever he laughed.

    bellypaunchstomach
  2. 02 B2 Upper Intermediate Informal

    n.a strong feeling about something that is not based on facts.

    n.an instinctive or visceral feeling rather than a conscious reasoning process.

    Simple

    My gut told me that something was wrong, even though he seemed nice.

    In context

    Despite the lack of empirical evidence, the detective followed his gut and kept the suspect under surveillance.

  3. 03 B2 Upper Intermediate Informal

    n.the bravery or determination needed to do something difficult.

    n.personal courage, fortitude, or determination.

    Simple

    It took a lot of guts to tell the boss that her idea wouldn't work.

    In context

    The young athlete showed immense guts by finishing the race despite a painful ankle injury.

    Usage

    Almost always used in the plural form 'guts' in this sense.

  4. 04 B2 Upper Intermediate

    v.to remove the internal organs of a fish or animal before cooking it.

    v.to eviscerate an animal; by extension, to remove the internal contents of a building or the essential parts of a plan.

    Simple

    We spent the afternoon learning how to gut and clean the fish we caught.

    In context

    The developers plan to gut the old warehouse and convert it into luxury loft apartments.

    eviscerateemptystrip
  5. 05 B2 Upper Intermediate Informal

    adj.describing a feeling or reaction that is deep and automatic rather than logical.

    adj.visceral or instinctive; relating to a primary emotional response.

    Simple

    My gut reaction was to say no, but I decided to think about it first.

    In context

    The CEO relied on a gut instinct that had served him well throughout his thirty-year career in finance.

    Usage

    Usually appears before a noun, such as 'gut feeling' or 'gut reaction'.

Usage gut bacteria

Unlike most animals, it has no mouth or gut.

ScienceDaily· 17 Aug 2026

Plant based diets support health in several ways, including benefits for the gut, immune system, metabolism, and cardiovascular system.

ScienceDaily· 15 Aug 2026

* As a German, Alemannic German, and Jewish surname, variant of Guth. Also compare Gutmann. * As an English surname, from the noun gut. See Gott.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin gsw -
Level C1 · Advanced
Frequency Common
Updated