Standard Lemma guide

backbone

noun · 8 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: /ˈbækˌbəʊn/
  • US: /ˈbækˌboʊn/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ækbəʊn
  • rhymes with -ækboʊn
  • CMU ARPABET: B AE1 K B OW2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any fundamental support, structure, or infrastructure.

Definition source: English Wiktionary via Wiktextract

Usage: countable, figuratively

Examples

  • Before automobiles, railroads were a backbone of commerce.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Courage, fortitude, or strength.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively, uncountable

Examples

  • He would make a good manager, if he had a little more backbone.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the part of a network that connects other networks together

Definition source: Princeton WordNet 3.0

Examples

  • the backbone is the part of a communication network that carries the heaviest traffic

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: connection, connexion, connector, connecter, connective

5

noun

Meaning 5

the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved

Definition source: Princeton WordNet 3.0

Examples

  • the title and author were printed on the spine of the book

Meaning relationships

Synonyms: spine

Antonyms: none provided

Broader terms: part, portion

6

noun

Meaning 6

fortitude and determination

Definition source: Princeton WordNet 3.0

Examples

  • he didn't have the guts to try it

Meaning relationships

Synonyms: grit, guts, moxie, sand, gumption

Antonyms: none provided

Broader terms: fortitude

7

noun

Meaning 7

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

Definition source: Princeton WordNet 3.0

Examples

  • the fall broke his back

Meaning relationships

Synonyms: spinal column, vertebral column, spine, back, rachis

Antonyms: none provided

Broader terms: skeletal structure

Narrower terms: notochord, chine

8

noun

Meaning 8

a central cohesive source of support and stability

Definition source: Princeton WordNet 3.0

Examples

  • faith is his anchor
  • the keystone of campaign reform was the ban on soft money
  • he is the linchpin of this firm

Meaning relationships

Synonyms: anchor, mainstay, keystone, linchpin, lynchpin

Antonyms: none provided

Broader terms: support

History

Etymology

From Middle English bakbon, bakebon, bac-bon; equivalent to back + bone. Compare the semantically analogous English ridgebone.

Across languages

Translations

167 source translations are retained for this English entry.

  • Arabic: عَمُود فَقْرِيّ (ʕamūd faqriyy) — series of vertebrae that encloses the spinal cord
  • Armenian: ողնաշար (oġnašar) — series of vertebrae that encloses the spinal cord
  • Azerbaijani: onurğa — series of vertebrae that encloses the spinal cord
  • West Coast Bajau: teruntud — series of vertebrae that encloses the spinal cord
  • Basque: bizkarrezur — series of vertebrae that encloses the spinal cord
  • Brunei Bisaya: boruntud — series of vertebrae that encloses the spinal cord
  • Bulgarian: гръбнак (grǎbnak) — series of vertebrae that encloses the spinal cord
  • Catalan: columna vertebral — series of vertebrae that encloses the spinal cord
  • Catalan: espina dorsal — series of vertebrae that encloses the spinal cord
  • Catalan: espinada — series of vertebrae that encloses the spinal cord
  • Chinese Mandarin: 骨幹 /骨干 (gǔgàn) — series of vertebrae that encloses the spinal cord
  • Chinese Mandarin: 脊骨 (jígǔ) — series of vertebrae that encloses the spinal cord
  • Chinese Mandarin: 背骨 (bèigǔ) — series of vertebrae that encloses the spinal cord
  • Chinese Mandarin: 脊椎 (jǐzhuī) — series of vertebrae that encloses the spinal cord
  • Czech: páteř — series of vertebrae that encloses the spinal cord
  • Danish: rygrad — series of vertebrae that encloses the spinal cord
  • Central Dusun: oruntud — series of vertebrae that encloses the spinal cord
  • Central Dusun: toruntud (Tambunan Dusun) — series of vertebrae that encloses the spinal cord
  • Dutch: ruggengraat — series of vertebrae that encloses the spinal cord
  • Egyptian: p-s-D:F37 (psḏ) — series of vertebrae that encloses the spinal cord
  • Esperanto: vertebraro — series of vertebrae that encloses the spinal cord
  • Finnish: selkäranka — series of vertebrae that encloses the spinal cord
  • French: colonne vertébrale — series of vertebrae that encloses the spinal cord
  • French: rachis — series of vertebrae that encloses the spinal cord
  • French: épine dorsale — series of vertebrae that encloses the spinal cord
  • Galician: columna vertebral — series of vertebrae that encloses the spinal cord
  • Georgian: ხერხემალი (xerxemali) — series of vertebrae that encloses the spinal cord
  • German: Rückgrat — series of vertebrae that encloses the spinal cord
  • German: Wirbelsäule — series of vertebrae that encloses the spinal cord
  • Greek: σπονδυλική στήλη (spondylikí stíli) — series of vertebrae that encloses the spinal cord
  • Greek: ραχοκοκαλιά (rachokokaliá) — series of vertebrae that encloses the spinal cord
  • Ancient Greek: ῥάχις (rhákhis) — series of vertebrae that encloses the spinal cord
  • Hebrew: עַמּוּד שִׁדְרָה ('amúd shidrá) — series of vertebrae that encloses the spinal cord
  • Hungarian: gerincoszlop — series of vertebrae that encloses the spinal cord
  • Hungarian: hátgerinc — series of vertebrae that encloses the spinal cord
  • Hungarian: gerinc — series of vertebrae that encloses the spinal cord
  • Icelandic: hryggur — series of vertebrae that encloses the spinal cord
  • Iranun: tangkal — series of vertebrae that encloses the spinal cord
  • Irish: cnámh droma — series of vertebrae that encloses the spinal cord
  • Irish: slat droma — series of vertebrae that encloses the spinal cord
  • Italian: spina dorsale — series of vertebrae that encloses the spinal cord
  • Italian: colonna vertebrale — series of vertebrae that encloses the spinal cord
  • Italian: rachide — series of vertebrae that encloses the spinal cord
  • Japanese: 背骨 (sebone) — series of vertebrae that encloses the spinal cord
  • Japanese: 脊椎 (sekitsui) — series of vertebrae that encloses the spinal cord
  • Japanese: 脊柱 (sekichū) — series of vertebrae that encloses the spinal cord
  • Coastal Kadazan: tountud — series of vertebrae that encloses the spinal cord
  • Kapampangan: gulugud — series of vertebrae that encloses the spinal cord
  • Khmer: ឆ្អឹងខ្នង (c’əŋ knɑɑŋ) — series of vertebrae that encloses the spinal cord
  • Kimaragang: toruntud — series of vertebrae that encloses the spinal cord
  • Central Kurdish: بڕبڕە (birrbrre) — series of vertebrae that encloses the spinal cord
  • Latin: columna vertebralis — series of vertebrae that encloses the spinal cord
  • Latvian: mugurkauls — series of vertebrae that encloses the spinal cord
  • Lotud: toruntud — series of vertebrae that encloses the spinal cord
  • Macedonian: ’рбет (’rbet) — series of vertebrae that encloses the spinal cord
  • Macedonian: ки́чма (kíčma) — series of vertebrae that encloses the spinal cord
  • Malay: tulang belakang — series of vertebrae that encloses the spinal cord
  • Māori: iwituararo — series of vertebrae that encloses the spinal cord
  • Māori: iwituaroa — series of vertebrae that encloses the spinal cord
  • Tagal Murut: baluntur — series of vertebrae that encloses the spinal cord
  • Timugon Murut: baluntur — series of vertebrae that encloses the spinal cord
  • Navajo: íígháán — series of vertebrae that encloses the spinal cord
  • Navajo: hwííshgháán — series of vertebrae that encloses the spinal cord
  • Norwegian Bokmål: ryggrad — series of vertebrae that encloses the spinal cord
  • Norwegian Bokmål: ryggsøyle — series of vertebrae that encloses the spinal cord
  • Norwegian Bokmål: virvelsøyle — series of vertebrae that encloses the spinal cord
  • Norwegian Nynorsk: ryggrad — series of vertebrae that encloses the spinal cord
  • Norwegian Nynorsk: ryggsøyle — series of vertebrae that encloses the spinal cord
  • Norwegian Nynorsk: virvelsøyle — series of vertebrae that encloses the spinal cord
  • Old English: hryċġbān — series of vertebrae that encloses the spinal cord
  • Persian: ستون فقرات (sotun-e faqarât) — series of vertebrae that encloses the spinal cord
  • Polish: kręgosłup — series of vertebrae that encloses the spinal cord
  • Portuguese: coluna vertebral — series of vertebrae that encloses the spinal cord
  • Portuguese: espinha — series of vertebrae that encloses the spinal cord
  • Portuguese: espinha dorsal — series of vertebrae that encloses the spinal cord
  • Romanian: coloană vertebrală — series of vertebrae that encloses the spinal cord
  • Romanian: șira spinării — series of vertebrae that encloses the spinal cord
  • Russian: позвоно́чник (pozvonóčnik) — series of vertebrae that encloses the spinal cord
  • Russian: хребе́т (xrebét) — series of vertebrae that encloses the spinal cord
  • Scottish Gaelic: cnàimh an droma — series of vertebrae that encloses the spinal cord
  • Serbo-Croatian: краљеҗница — series of vertebrae that encloses the spinal cord
  • Serbo-Croatian: кичма — series of vertebrae that encloses the spinal cord
  • Serbo-Croatian: хрптењача — series of vertebrae that encloses the spinal cord
  • Serbo-Croatian: kralježnica — series of vertebrae that encloses the spinal cord
  • Serbo-Croatian: kičma — series of vertebrae that encloses the spinal cord
  • Serbo-Croatian: hrptenjača — series of vertebrae that encloses the spinal cord
  • Slovene: hrbtenica — series of vertebrae that encloses the spinal cord
  • Spanish: espina dorsal — series of vertebrae that encloses the spinal cord
  • Spanish: columna vertebral — series of vertebrae that encloses the spinal cord
  • Swedish: ryggrad — series of vertebrae that encloses the spinal cord
  • Tagalog: guluguran — series of vertebrae that encloses the spinal cord
  • Tagalog: bangananan — series of vertebrae that encloses the spinal cord
  • Tagalog: gulugod — series of vertebrae that encloses the spinal cord
  • Tamil: முதுகெலும்பு (mutukelumpu) — series of vertebrae that encloses the spinal cord
  • Tatar: умырткалык (umırtqalıq) — series of vertebrae that encloses the spinal cord
  • Thai: กระดูกสันหลัง (grà-dùuk-sǎn-lǎng) — series of vertebrae that encloses the spinal cord
  • Turkish: omurga — series of vertebrae that encloses the spinal cord
  • Vietnamese: xương sống — series of vertebrae that encloses the spinal cord
  • Volapük: bäkabom — series of vertebrae that encloses the spinal cord
  • Welsh: asgwrn cefn — series of vertebrae that encloses the spinal cord
  • Woiwurrung: galgi ngarrak — series of vertebrae that encloses the spinal cord
  • Woiwurrung: nyilang ngarrak — series of vertebrae that encloses the spinal cord
  • Yami: vokot — series of vertebrae that encloses the spinal cord
  • Arabic: دِعَامَة (diʕāma) — any fundamental support, structure, or infrastructure
  • Armenian: հիմք (himkʻ) — any fundamental support, structure, or infrastructure
  • Azerbaijani: özək — any fundamental support, structure, or infrastructure
  • Bulgarian: основа (osnova) — any fundamental support, structure, or infrastructure
  • Bulgarian: опора (opora) — any fundamental support, structure, or infrastructure
  • Danish: fundament — any fundamental support, structure, or infrastructure
  • Danish: basis — any fundamental support, structure, or infrastructure
  • Dutch: ruggengraat — any fundamental support, structure, or infrastructure
  • Finnish: selkäranka — any fundamental support, structure, or infrastructure
  • French: épine dorsale — any fundamental support, structure, or infrastructure
  • German: Rückgrat — any fundamental support, structure, or infrastructure
  • Greek: ραχοκοκαλιά (rachokokaliá) — any fundamental support, structure, or infrastructure
  • Hungarian: gerinc — any fundamental support, structure, or infrastructure
  • Icelandic: uppistaða — any fundamental support, structure, or infrastructure
  • Icelandic: meginstoð — any fundamental support, structure, or infrastructure
  • Italian: base — any fundamental support, structure, or infrastructure
  • Italian: spina dorsale — any fundamental support, structure, or infrastructure
  • Italian: struttura portante — any fundamental support, structure, or infrastructure
  • Macedonian: по́тпора (pótpora) — any fundamental support, structure, or infrastructure
  • Norwegian: ryggrad — any fundamental support, structure, or infrastructure
  • Polish: trzon — any fundamental support, structure, or infrastructure
  • Portuguese: base — any fundamental support, structure, or infrastructure
  • Portuguese: espinha dorsal — any fundamental support, structure, or infrastructure
  • Romanian: coloană vertebrală — any fundamental support, structure, or infrastructure
  • Russian: хребе́т (xrebét) — any fundamental support, structure, or infrastructure
  • Russian: костя́к (kostják) — any fundamental support, structure, or infrastructure
  • Russian: осно́ва (osnóva) — any fundamental support, structure, or infrastructure
  • Scottish Gaelic: bun-structar — any fundamental support, structure, or infrastructure
  • Serbo-Croatian: краљеҗница — any fundamental support, structure, or infrastructure
  • Serbo-Croatian: кичма — any fundamental support, structure, or infrastructure
  • Serbo-Croatian: kralježnica — any fundamental support, structure, or infrastructure
  • Serbo-Croatian: kičma — any fundamental support, structure, or infrastructure
  • Spanish: columna vertebral — any fundamental support, structure, or infrastructure
  • Swedish: ryggrad — any fundamental support, structure, or infrastructure
  • Swedish: grundstomme — any fundamental support, structure, or infrastructure
  • Tamil: முதுகெலும்பு (mutukelumpu) — any fundamental support, structure, or infrastructure
  • Turkish: omurga — any fundamental support, structure, or infrastructure
  • Welsh: asgwrn cefn — any fundamental support, structure, or infrastructure
  • Arabic: شَجَاعَة (šajāʕa) — courage, fortitude, or strength
  • Catalan: coratge — courage, fortitude, or strength
  • Danish: rygrad — courage, fortitude, or strength
  • Finnish: selkäranka — courage, fortitude, or strength
  • French: courage — courage, fortitude, or strength
  • Georgian: ფხა (pxa) — courage, fortitude, or strength
  • German: Rückgrat — courage, fortitude, or strength
  • Hungarian: gerinc — courage, fortitude, or strength
  • Hungarian: jellem — courage, fortitude, or strength
  • Hungarian: tartás — courage, fortitude, or strength
  • Icelandic: skapfesta — courage, fortitude, or strength
  • Icelandic: bein í nefinu — courage, fortitude, or strength
  • Ido: kurajo — courage, fortitude, or strength
  • Italian: coraggio — courage, fortitude, or strength
  • Latvian: mugurkauls — courage, fortitude, or strength
  • Norwegian: ryggrad — courage, fortitude, or strength
  • Polish: charakter — courage, fortitude, or strength
  • Polish: kręgosłup — courage, fortitude, or strength
  • Portuguese: firmeza — courage, fortitude, or strength
  • Russian: сте́ржень (stérženʹ) — courage, fortitude, or strength
  • Scottish Gaelic: cùl — courage, fortitude, or strength
  • Slovene: hrbtenica — courage, fortitude, or strength
  • Spanish: coraje — courage, fortitude, or strength
  • Spanish: carácter — courage, fortitude, or strength
  • Swedish: ryggrad — courage, fortitude, or strength
  • Tamil: முதுகெலும்பு (mutukelumpu) — courage, fortitude, or strength
Real reading context

backbone in complete knowledge articles