Standard Lemma guide

mutant

adj · noun · 9 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˈmjuːtənt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ˈmju(t)n̩(t)/
  • rhymes with -uːtənt
  • CMU ARPABET: M Y UW1 T AH0 N T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Of, relating to, undergoing (i.e. mutating), or resulting from change or mutation; that has undergone mutation.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, genetics, medicine, natural-sciences, sciences

Examples

  • mutant DNA

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Strange, abnormal, or bizarre.

Definition source: English Wiktionary via Wiktextract

Usage: informal, not-comparable

Examples

  • Your mutant brother just growled at me again!

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

That which has mutated, with one or more new characteristics from a mutation.

Definition source: English Wiktionary via Wiktextract

Topics: biology, genetics, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Someone or something that seems strange, abnormal, or bizarre.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Examples

  • Your neighbor seems to be a mutant; he’s so cringy!

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Synonym of mutex.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mutex

Antonyms: none provided

6

noun

Meaning 6

A changed version of a program, developed as part of mutation testing.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences, software

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

adjective

Meaning 7

tending to undergo or resulting from mutation

Definition source: Princeton WordNet 3.0

Examples

  • a mutant gene

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

an animal that has undergone mutation

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: animal, animate being, beast, brute, creature, fauna

9

noun

Meaning 9

(biology) an organism that has characteristics resulting from chromosomal alteration

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mutation, variation, sport

Antonyms: none provided

Broader terms: organism, being

Narrower terms: freak, monster, monstrosity, lusus naturae

History

Etymology

From Latin mūtāns, present participle of mūtō. By surface analysis, muta- + -ant.

Across languages

Translations

46 source translations are retained for this English entry.

  • Bulgarian: изменящ се (izmenjašt se) — mutant: mutating, that has mutated
  • Catalan: mutant — mutant: mutating, that has mutated
  • Esperanto: mutaciinta — mutant: mutating, that has mutated
  • Galician: mutante — mutant: mutating, that has mutated
  • German: mutierend — mutant: mutating, that has mutated
  • German: mutiert — mutant: mutating, that has mutated
  • Greek: μεταλλαγμένος (metallagménos) — mutant: mutating, that has mutated
  • Hungarian: mutáns — mutant: mutating, that has mutated
  • Persian: جهشیافته (jaheš-yâfte) — mutant: mutating, that has mutated
  • Spanish: mutante — mutant: mutating, that has mutated
  • Swahili: ambaye chembe za urithi zilibadilika — mutant: mutating, that has mutated
  • Swahili: mwenye mabadiliko ya kinasaba — mutant: mutating, that has mutated
  • Swahili: ya kimutanti — mutant: mutating, that has mutated
  • Swedish: muterad — mutant: mutating, that has mutated
  • Bulgarian: мутант (mutant) — something that has mutated
  • Catalan: mutant — something that has mutated
  • Chinese Mandarin: 突變體 /突变体 (tūbiàntǐ) — something that has mutated
  • Czech: mutant — something that has mutated
  • Dutch: mutant — something that has mutated
  • Esperanto: mutaciinto — something that has mutated
  • Estonian: mutant — something that has mutated
  • Finnish: mutantti — something that has mutated
  • French: mutant — something that has mutated
  • Galician: mutante — something that has mutated
  • German: Mutant — something that has mutated
  • German: Mutantin — something that has mutated
  • German: Mutante — something that has mutated
  • Greek: μεταλλαγμένος (metallagménos) — something that has mutated
  • Hungarian: mutáns — something that has mutated
  • Indonesian: mutan — something that has mutated
  • Italian: mutante — something that has mutated
  • Japanese: 突然変異体 (totsuzenhen'itai) — something that has mutated
  • Persian: جهشیافته (jaheš-yâfte) — something that has mutated
  • Polish: mutant — something that has mutated
  • Portuguese: mutante — something that has mutated
  • Romanian: mutant — something that has mutated
  • Romanian: mutantă — something that has mutated
  • Russian: мута́нт (mutánt) — something that has mutated
  • Serbo-Croatian: mùtant — something that has mutated
  • Slovene: mutanta — something that has mutated
  • Spanish: mutante — something that has mutated
  • Swahili: mutanti — something that has mutated
  • Swahili: mwenye chembe za urithi zilizobadilika — something that has mutated
  • Swahili: mwenye mabadiliko ya kinasaba — something that has mutated
  • Swedish: mutant — something that has mutated
  • Tagalog: ibanyuhay — something that has mutated
Real reading context

mutant in complete knowledge articles