Standard Lemma guide

cornerstone

noun · 6 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.

  • Received-Pronunciation: /ˈkɔː.nə.stəʊn/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ˈkɔɹ.nɚ.stoʊn/
  • CMU ARPABET: K AO1 R N ER0 S T OW2 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A stone forming the base at the corner of a building.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Such a stone used ceremonially, often inscribed with the architect's and owner's names, dates and other details.

Definition source: English Wiktionary via Wiktextract

Examples

  • The cornerstone on the Flatiron Building is set on the Fifth Avenue facade.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

That which is prominent, fundamental, noteworthy, or central.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

Examples

  • Exceptional service is the cornerstone of the hospitality industry.
  • That is the cornerstone of any meaningful debate about budgets and projects, regulations and policies.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a stone at the outer corner of two intersecting masonry walls

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: stone

5

noun

Meaning 5

a stone in the exterior of a large and important building; usually carved with a date and laid with appropriate ceremonies

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: stone

6

noun

Meaning 6

the fundamental assumptions from which something is begun or developed or calculated or explained

Definition source: Princeton WordNet 3.0

Examples

  • the whole argument rested on a basis of conjecture

Meaning relationships

Synonyms: basis, base, foundation, fundament, groundwork

Antonyms: none provided

Broader terms: assumption, supposition, supposal

Narrower terms: meat and potatoes

History

Etymology

From Middle English corner ston; equivalent to corner + stone. The figurative sense is in part after Psalm 118:22, and is also quoted several times in the New Testament.

Across languages

Translations

94 source translations are retained for this English entry.

  • Bulgarian: крайъгълен камък (krajǎgǎlen kamǎk) — base stone
  • Catalan: pedra cantonera — base stone
  • Czech: nárožní kámen — base stone
  • Dutch: hoeksteen — base stone
  • Dutch: steunpilaar — base stone
  • Esperanto: angulŝtono — base stone
  • Finnish: kulmakivi — base stone
  • French: pierre angulaire — base stone
  • French: pierre d'angle — base stone
  • Georgian: ქვაკუთხედი (kvaḳutxedi) — base stone
  • German: Eckstein — base stone
  • Greek: ακρογωνιαίος λίθος (akrogoniaíos líthos) — base stone
  • Hungarian: sarokkő — base stone
  • Italian: pietra angolare — base stone
  • Italian: pietra d'angolo — base stone
  • Japanese: 礎 (ishizue) — base stone
  • Middle English: corner ston — base stone
  • Khiamniungan Naga: thāyôlòng — base stone
  • Persian: پی (pey) — base stone
  • Persian: بنیاد (bonyâd) — base stone
  • Persian: سنگ پی (sang-e pey) — base stone
  • Plautdietsch: Akjsteen — base stone
  • Polish: kamień węgielny — base stone
  • Russian: краеуго́льный ка́мень (krajeugólʹnyj kámenʹ) — base stone
  • Spanish: piedra angular — base stone
  • Tagalog: panulukang-bato — base stone
  • Turkish: köşe taşı — base stone
  • Ottoman Turkish: كوشه طاشی (köşe taşı) — base stone
  • Ukrainian: нарі́жний ка́мінь (narížnyj káminʹ) — base stone
  • Welsh: conglfaen — base stone
  • Arabic: حجر أساس — ceremonial stone
  • Armenian: անկյունաքար (ankyunakʻar) — ceremonial stone
  • Bulgarian: крайъгълен камък (krajǎgǎlen kamǎk) — ceremonial stone
  • Chinese Mandarin: 奠基石 — ceremonial stone
  • Chinese Mandarin: 基石 (jīshí) — ceremonial stone
  • Czech: základní kámen — ceremonial stone
  • Danish: grundsten — ceremonial stone
  • Dutch: hoeksteen — ceremonial stone
  • Estonian: nurgakivi — ceremonial stone
  • Finnish: peruskivi — ceremonial stone
  • French: pierre angulaire — ceremonial stone
  • French: première pierre — ceremonial stone
  • West-Frisian: earste stien — ceremonial stone
  • Georgian: ქვაკუთხედი (kvaḳutxedi) — ceremonial stone
  • Georgian: საძირკვლის ქვა (saʒirḳvlis kva) — ceremonial stone
  • German: Grundstein — ceremonial stone
  • Hebrew: אבן פינה — ceremonial stone
  • Icelandic: hornsteinn — ceremonial stone
  • Italian: pietra angolare — ceremonial stone
  • Japanese: 礎石 (soseki) — ceremonial stone
  • Kannada: ಅಡಿಗಲ್ಲು (aḍigallu) — ceremonial stone
  • Lithuanian: kertinis akmuo — ceremonial stone
  • Luxembourgish: Grondsteen — ceremonial stone
  • Norwegian Bokmål: hjørnestein — ceremonial stone
  • Norwegian Nynorsk: hjørnestein — ceremonial stone
  • Occitan: pèira angulara — ceremonial stone
  • Plautdietsch: Akjsteen — ceremonial stone
  • Polish: kamień węgielny — ceremonial stone
  • Portuguese: primeira pedra — ceremonial stone
  • Portuguese: pedra angular — ceremonial stone
  • Romanian: piatră de temelie — ceremonial stone
  • Russian: краеуго́льный ка́мень (krajeugólʹnyj kámenʹ) — ceremonial stone
  • Spanish: piedra angular — ceremonial stone
  • Spanish: primera piedra — ceremonial stone
  • Tagalog: batong-panulukan — ceremonial stone
  • Ottoman Turkish: كوشه طاشی (köşe taşı) — ceremonial stone
  • Ukrainian: нарі́жний ка́мінь (narížnyj káminʹ) — ceremonial stone
  • Vietnamese: viên đá đầu tiên — ceremonial stone
  • Welsh: conglfaen — ceremonial stone
  • Bulgarian: крайъгълен камък (krajǎgǎlen kamǎk) — that which is prominent, fundamental, noteworthy, or central
  • Catalan: pedra angular — that which is prominent, fundamental, noteworthy, or central
  • Chinese Mandarin: 基礎 /基础 (jīchǔ) — that which is prominent, fundamental, noteworthy, or central
  • Czech: základ — that which is prominent, fundamental, noteworthy, or central
  • Esperanto: angulŝtono — that which is prominent, fundamental, noteworthy, or central
  • Finnish: kulmakivi — that which is prominent, fundamental, noteworthy, or central
  • French: pierre angulaire — that which is prominent, fundamental, noteworthy, or central
  • French: pierre d'angle — that which is prominent, fundamental, noteworthy, or central
  • Georgian: ქვაკუთხედი (kvaḳutxedi) — that which is prominent, fundamental, noteworthy, or central
  • German: Eckpfeiler — that which is prominent, fundamental, noteworthy, or central
  • German: Eckstein — that which is prominent, fundamental, noteworthy, or central
  • Greek: ακρογωνιαίος λίθος (akrogoniaíos líthos) — that which is prominent, fundamental, noteworthy, or central
  • Hungarian: sarokkő — that which is prominent, fundamental, noteworthy, or central
  • Italian: fondamenta — that which is prominent, fundamental, noteworthy, or central
  • Norwegian Bokmål: hjørnestein — that which is prominent, fundamental, noteworthy, or central
  • Norwegian Nynorsk: hjørnestein — that which is prominent, fundamental, noteworthy, or central
  • Persian: سنگبنا (sang-banâ) — that which is prominent, fundamental, noteworthy, or central
  • Polish: kamień węgielny — that which is prominent, fundamental, noteworthy, or central
  • Portuguese: fundamento — that which is prominent, fundamental, noteworthy, or central
  • Portuguese: princípio — that which is prominent, fundamental, noteworthy, or central
  • Portuguese: base — that which is prominent, fundamental, noteworthy, or central
  • Russian: краеуго́льный ка́мень (krajeugólʹnyj kámenʹ) — that which is prominent, fundamental, noteworthy, or central
  • Spanish: fundamento — that which is prominent, fundamental, noteworthy, or central
  • Tagalog: panulukang-bato — that which is prominent, fundamental, noteworthy, or central
  • Ukrainian: нарі́жний ка́мінь (narížnyj káminʹ) — that which is prominent, fundamental, noteworthy, or central
Real reading context

cornerstone in complete knowledge articles