English Reference

Word

guts

US/ˈɡəts/

UK/ɡˈʌts/

Definitions

01courage

B2 · Upper Intermediate Plural noun Informal

n. the bravery and determination you need to do something difficult or scary.

n. metaphorical courage, fortitude, or spirit. Almost exclusively used in the plural.

“It took a lot of guts to tell his boss that he was quitting.”

“The young entrepreneur showed real guts by investing her entire life savings into a technology that most experts claimed would fail.”

Usage

Usually follows the verb 'have' or 'take'.

Antonyms

02internal organs

B2 · Upper Intermediate Plural noun Informal

n. the organs inside the body, especially the stomach and intestines.

n. the visceral organs or entrails of a human or animal. Plural in form.

“The doctor said the infection was deep in the patient's guts.”

“The biology students were tasked with identifying the various parts of the fish's guts during the afternoon dissection lab.”

Synonyms

intestinesviscerainnards

03inner workings

C1 · Advanced Plural noun Informal

n. the internal parts of a machine or a complex system.

n. the essential internal mechanisms or components of a device or organization.

“He opened up the old radio to see if he could fix its guts.”

“Before you can optimize the software, you need to understand the guts of the operating system and how it manages memory.”

Antonyms

04instinct

B2 · Upper Intermediate Plural noun Informal

n. your deepest feelings or a strong feeling that something is true.

n. one's innermost feelings or intuitive responses to a situation.

“I hate to say it, but my guts tell me we shouldn't trust him.”

“Despite the logical arguments presented by the board, his guts suggested that the merger would eventually lead to a cultural disaster for the firm.”

05to endure

C2 · Proficiency Informal

v. to work through a very difficult situation with a lot of effort.

v. to manifest determination or endurance, particularly in the phrasal verb 'guts out'.

“The runner was exhausted but managed to guts out the final mile.”

“The team had to guts out a win in the final minutes of the game despite being two players down due to injuries.”

Usage

Commonly used as the phrasal verb 'guts out' with a direct object.

Synonyms

enduretough out

Antonyms

Real-World Examples

“We had a game plan and we didn’t show the guts to follow up,” Vrancken told BBC Scotland.”
The Guardian 26 Aug 2026
“I don’t think I had the guts for it.”
The Guardian 21 Sept 2026
“It’s the  same design as before  but with new guts.”
Ars Technica 21 Sept 2026

Word family

NOUN

guts(B2)

ADJECTIVE

Idioms

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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