Standard Lemma guide

cusp

noun · verb · 12 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.

  • /kʌsp/
  • US: Recorded audio is listed in the source snapshot.
  • Northern-England: /kʊsp/
  • rhymes with -ʌsp
  • CMU ARPABET: K AH1 S P Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A sharp point or pointed end.

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

An important moment when a decision is made that will determine future events.

Definition source: English Wiktionary via Wiktextract

Usage: figuratively

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A point of a curve where the curve is continuous but has no derivative, but such that it has a derivative at every nearby point.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A point made by the intersection of two curved lines or curved structures, a common motif in Gothic architecture.

Definition source: English Wiktionary via Wiktextract

Topics: architecture

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A boundary between zodiacal signs and houses.

Definition source: English Wiktionary via Wiktextract

Topics: astrology, human-sciences, mysticism, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

Any of the pointed parts of a canine tooth or molar.

Definition source: English Wiktionary via Wiktextract

Topics: dentistry, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

A flap of a valve of a heart or blood vessel.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

A point of transition.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

verb

Meaning 9

To behave in a reckless or dangerous manner.

Definition source: English Wiktionary via Wiktextract

Usage: slang

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

point formed by two intersecting arcs (as from the intrados of a Gothic arch)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: point

11

noun

Meaning 11

small elevation on the grinding surface of a tooth

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: point, tip, peak

12

noun

Meaning 12

a thin triangular flap of a heart valve

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: leaflet

Antonyms: none provided

Broader terms: flap

History

Etymology

From Latin cuspis (“a point, spear, pointed end”); first used in astrology. Doublet of cuspid and cuspis.

Across languages

Translations

78 source translations are retained for this English entry.

  • Bulgarian: връх (vrǎh) — sharp point or pointed end
  • Czech: hrot — sharp point or pointed end
  • Czech: špička — sharp point or pointed end
  • Dutch: piek — sharp point or pointed end
  • Dutch: spits — sharp point or pointed end
  • Finnish: kärki — sharp point or pointed end
  • German: Spitze — sharp point or pointed end
  • Greek: αιχμή (aichmí) — sharp point or pointed end
  • Irish: cuspa — sharp point or pointed end
  • Italian: cuspide — sharp point or pointed end
  • Macedonian: врв (vrv) — sharp point or pointed end
  • Polish: szpic — sharp point or pointed end
  • Portuguese: cúspide — sharp point or pointed end
  • Russian: пик (pik) — sharp point or pointed end
  • Russian: остриё (ostrijó) — sharp point or pointed end
  • Russian: ко́нчик (kónčik) — sharp point or pointed end
  • Serbo-Croatian: вр̏х — sharp point or pointed end
  • Serbo-Croatian: vȑh — sharp point or pointed end
  • Spanish: cúspide — sharp point or pointed end
  • Swedish: udd — sharp point or pointed end
  • Swedish: spets — sharp point or pointed end
  • Swedish: pigg — sharp point or pointed end
  • Swedish: pik — sharp point or pointed end
  • Swedish: egg — sharp point or pointed end
  • Ukrainian: пік (pik) — sharp point or pointed end
  • Ukrainian: ві́стря (vístrja) — sharp point or pointed end
  • Bulgarian: повратна точка (povratna točka) — important moment when a decision is made
  • Bulgarian: преломен момент — important moment when a decision is made
  • Czech: okamžik zlomu — important moment when a decision is made
  • Czech: kritický okamžik — important moment when a decision is made
  • Finnish: käännekohta — important moment when a decision is made
  • German: Scheitelpunkt — important moment when a decision is made
  • German: Wendepunkt — important moment when a decision is made
  • Hungarian: fordulópont — important moment when a decision is made
  • Irish: cuspa — important moment when a decision is made
  • Italian: culmine — important moment when a decision is made
  • Italian: acme — important moment when a decision is made
  • Italian: apogeo — important moment when a decision is made
  • Italian: colmo — important moment when a decision is made
  • Polish: przełom — important moment when a decision is made
  • Polish: skraj — important moment when a decision is made
  • Serbo-Croatian: преломна то̏чка — important moment when a decision is made
  • Serbo-Croatian: преломни трену́так — important moment when a decision is made
  • Serbo-Croatian: prelomna tȍčka — important moment when a decision is made
  • Serbo-Croatian: prelomni trenútak — important moment when a decision is made
  • Bulgarian: рог (rog) — point of a curve where it has no tangent
  • Catalan: cúspide — point of a curve where it has no tangent
  • Czech: bod zlomu — point of a curve where it has no tangent
  • Esperanto: kuspo — point of a curve where it has no tangent
  • Finnish: kärki — point of a curve where it has no tangent
  • Finnish: kärkipiste — point of a curve where it has no tangent
  • French: point de rebroussement — point of a curve where it has no tangent
  • Irish: cuspa — point of a curve where it has no tangent
  • Italian: cuspide — point of a curve where it has no tangent
  • Polish: szpic — point of a curve where it has no tangent
  • Polish: wierzchołek — point of a curve where it has no tangent
  • Portuguese: cúspide — point of a curve where it has no tangent
  • Spanish: cúspide — point of a curve where it has no tangent
  • Finnish: kärki — in astrology
  • French: cuspide — in astrology
  • Greek: ακμή (akmí) — in astrology
  • Irish: cuspa — in astrology
  • Italian: cuspide — in astrology
  • Persian: جزء (joz') — in astrology
  • Polish: punkt — in astrology
  • Portuguese: cúspide — in astrology
  • Spanish: cúspide — in astrology
  • Czech: zubní hrbolek — in dentistry
  • Finnish: kärki — in dentistry
  • Finnish: kuspi — in dentistry
  • French: cuspide — in dentistry
  • Greek: φύμα (fýma) — in dentistry
  • Irish: cuspa — in dentistry
  • Italian: cuspide — in dentistry
  • Polish: guzek — in dentistry
  • Portuguese: cúspide — in dentistry
  • Romanian: cuspid — in dentistry
  • Spanish: cúspide — in dentistry