Phrase guide

grey matter

noun · 4 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

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1

noun

Meaning 1

Brains; a person's ability to think.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Literal brains as a general substance.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Examples

  • He fell from the 5th floor. There is grey matter on the path behind his head. I'm afraid he's dead.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A collection of cell bodies and (usually) dendritic connections, in contrast to white matter.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: anatomy, medicine, neuroanatomy, neurology, neuroscience, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: gray matter, grey substance, gray substance, substantia grisea

Antonyms: none provided

Broader terms: nervous tissue, nerve tissue

History

Etymology

No etymology was provided for this word.

Across languages

Translations

39 source translations are retained for this English entry.

  • Finnish: aivot — person's ability to think
  • French: matière grise — person's ability to think
  • Greek: φαιά ουσία (faiá ousía) — person's ability to think
  • Italian: materia grigia — person's ability to think
  • Polish: szare komórki — person's ability to think
  • Vietnamese: chất xám — person's ability to think
  • Armenian: գորշ նյութ (gorš nyutʻ) — collection of cell bodies
  • Asturian: sustancia gris — collection of cell bodies
  • Catalan: substància grisa — collection of cell bodies
  • Chinese Mandarin: 灰質 /灰质 (huīzhì) — collection of cell bodies
  • Dutch: grijze stof — collection of cell bodies
  • Finnish: harmaa aine — collection of cell bodies
  • French: matière grise — collection of cell bodies
  • Galician: materia gris — collection of cell bodies
  • Galician: substancia gris — collection of cell bodies
  • Georgian: რუხი ნივთიერება (ruxi nivtiereba) — collection of cell bodies
  • Georgian: ტვინის რუხი ნივთიერება (ṭvinis ruxi nivtiereba) — collection of cell bodies
  • German: graue Substanz — collection of cell bodies
  • Greek: φαιά ουσία (faiá ousía) — collection of cell bodies
  • Hungarian: szürkeállomány — collection of cell bodies
  • Indonesian: bahan kelabu — collection of cell bodies
  • Italian: sostanza grigia — collection of cell bodies
  • Italian: materia grigia — collection of cell bodies
  • Japanese: 灰白質 (kaihakushitsu) — collection of cell bodies
  • Korean: 회백질 (hoebaekjil) — collection of cell bodies
  • Northern Kurdish: madeyê gewr — collection of cell bodies
  • Macedonian: сива маса (siva masa) — collection of cell bodies
  • Malay: jirim kelabu — collection of cell bodies
  • Polish: istota szara — collection of cell bodies
  • Polish: substancja szara — collection of cell bodies
  • Portuguese: matéria cinzenta — collection of cell bodies
  • Portuguese: substância cinzenta — collection of cell bodies
  • Romanian: materie cenușie — collection of cell bodies
  • Russian: се́рое вещество́ (séroje veščestvó) — collection of cell bodies
  • Spanish: sustancia gris — collection of cell bodies
  • Spanish: materia gris — collection of cell bodies
  • Swedish: små grå — collection of cell bodies
  • Swedish: de små grå — collection of cell bodies
  • Vietnamese: chất xám — collection of cell bodies