Standard Lemma guide

regularity

noun · 5 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.

  • /ˌɹɛɡjuˈlæɹəti/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: R EH2 G Y AH0 L EH1 R AH0 T IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The condition or quality of being regular

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Examples

  • I have been watching that show with regularity.

Meaning relationships

Synonyms: regularness

Antonyms: none provided

2

noun

Meaning 2

A particular regular occurrence.

Definition source: English Wiktionary via Wiktextract

Usage: countable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A topic in the study of partial differential equations, regarding the integrability and differentiability of weak solutions.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the quality of being characterized by a fixed principle or rate

Definition source: Princeton WordNet 3.0

Examples

  • he was famous for the regularity of his habits

Meaning relationships

Synonyms: none provided

Antonyms: irregularity

Broader terms: quality

Narrower terms: cyclicity, periodicity, orderliness, methodicalness, uniformity, evenness, invariability, even spacing, steadiness

5

noun

Meaning 5

a property of polygons: the property of having equal sides and equal angles

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: geometrical regularity

Antonyms: none provided

Broader terms: symmetry, symmetricalness, correspondence, balance

History

Etymology

Borrowed from Middle French regularite, from Old French regularite, from Late Latin rēgulāritās, rēgulāritātem, from rēgulāris; see regular. By surface analysis, regular + -ity.

Across languages

Translations

25 source translations are retained for this English entry.

  • Bulgarian: редовност (redovnost) — condition or quality of being regular
  • Bulgarian: правилност (pravilnost) — condition or quality of being regular
  • Catalan: regularitat — condition or quality of being regular
  • Catalan: periodicitat — condition or quality of being regular
  • Chinese Mandarin: 正則性 /正则性 (zhèngzéxìng) — condition or quality of being regular
  • Chinese Mandarin: 規則性 /规则性 (guīzéxìng) — condition or quality of being regular
  • Czech: pravidelnost — condition or quality of being regular
  • Dutch: regelmaat — condition or quality of being regular
  • Dutch: regelmatigheid — condition or quality of being regular
  • French: régularité — condition or quality of being regular
  • Galician: regularidade — condition or quality of being regular
  • German: Regelmäßigkeit — condition or quality of being regular
  • Greek: κανονικότητα (kanonikótita) — condition or quality of being regular
  • Hindi: नियमितता (niyamittā) — condition or quality of being regular
  • Irish: rialtacht — condition or quality of being regular
  • Japanese: 規則性 (kisokusei) — condition or quality of being regular
  • Japanese: 正則性 (seisokusei) — condition or quality of being regular
  • Latvian: likumība — condition or quality of being regular
  • Latvian: likumsakarība — condition or quality of being regular
  • Marathi: नियमितता (niyamitatā) — condition or quality of being regular
  • Polish: regularność — condition or quality of being regular
  • Polish: prawidłowość — condition or quality of being regular
  • Portuguese: regularidade — condition or quality of being regular
  • Spanish: regularidad — condition or quality of being regular
  • Spanish: periodicidad — condition or quality of being regular