Standard Lemma guide

rounding

adj · noun · verb · 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, US: /ˈɹaʊndɪŋ/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -aʊndɪŋ
  • CMU ARPABET: R AW1 N D IH0 NG Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Round or nearly round; becoming round; roundish.

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

The act by which a numerical value is rounded.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The numerical value obtained by this process.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The act of making anything round, as the lips in pronouncing some vowels.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A rounded surface; a curve.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

In bookbinding, the shaping of the folded and sewed sheets into a convex form at the back.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

present participle and gerund of round

Definition source: English Wiktionary via Wiktextract

Usage: form-of, gerund, participle, present

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

(mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals

Definition source: Princeton WordNet 3.0

Examples

  • the error in the calculation was attributable to rounding
  • taxes are rounded off to the nearest dollar but the rounding error is surprisingly small

Meaning relationships

Synonyms: rounding error

Antonyms: none provided

Broader terms: miscalculation, misreckoning, misestimation

History

Etymology

By surface analysis, round + -ing.

Across languages

Translations

38 source translations are retained for this English entry.

  • Finnish: pyöreähkö — round or nearly round; becoming round; roundish
  • Finnish: pyörenevä — round or nearly round; becoming round; roundish
  • German: gerundet — round or nearly round; becoming round; roundish
  • Italian: arrotondamento — round or nearly round; becoming round; roundish
  • Russian: окру́глый (okrúglyj) — round or nearly round; becoming round; roundish
  • Russian: кру́глый (krúglyj) — round or nearly round; becoming round; roundish
  • Russian: круглова́тый (kruglovátyj) — round or nearly round; becoming round; roundish
  • Russian: закруглённый (zakrugljónnyj) — round or nearly round; becoming round; roundish
  • Turkish: yuvarlanmış — round or nearly round; becoming round; roundish
  • Arabic: تَقْرِيب (taqrīb) — the act of rounding a mathematical value
  • Asturian: arredondiadura — the act of rounding a mathematical value
  • Azerbaijani: yuvarlaqlaşdırma — the act of rounding a mathematical value
  • Belarusian: акругле́нне (akruhljénnje) — the act of rounding a mathematical value
  • Bulgarian: закръгляне (zakrǎgljane) — the act of rounding a mathematical value
  • Catalan: arrodoniment — the act of rounding a mathematical value
  • Chinese Mandarin: 四捨五入 /四舍五入 (sìshěwǔrù) — the act of rounding a mathematical value
  • Czech: zaokrouhlení — the act of rounding a mathematical value
  • Finnish: pyöristys — the act of rounding a mathematical value
  • Finnish: pyöristäminen — the act of rounding a mathematical value
  • French: arrondi — the act of rounding a mathematical value
  • Galician: redondeo — the act of rounding a mathematical value
  • German: Runden — the act of rounding a mathematical value
  • German: Rundung — the act of rounding a mathematical value
  • Hungarian: kerekítés — the act of rounding a mathematical value
  • Italian: arrotondamento — the act of rounding a mathematical value
  • Japanese: 端数処理 (hasūshori) — the act of rounding a mathematical value
  • Japanese: 四捨五入 (shishagonyū) — the act of rounding a mathematical value
  • Japanese: 丸め (marume) — the act of rounding a mathematical value
  • Korean: 반올림 (banollim) — the act of rounding a mathematical value
  • Korean: 사사오입 (sasaoip) — the act of rounding a mathematical value
  • Polish: zaokrąglanie — the act of rounding a mathematical value
  • Russian: округле́ние (okruglénije) — the act of rounding a mathematical value
  • Slovene: zaokrožanje — the act of rounding a mathematical value
  • Spanish: redondeo — the act of rounding a mathematical value
  • Turkish: yuvarlama — the act of rounding a mathematical value
  • Ukrainian: окру́глення (okrúhlennja) — the act of rounding a mathematical value
  • Catalan: arrodoniment — the act of rounding one's lips
  • Polish: zaokrąglanie — the act of rounding one's lips
Real reading context

rounding in complete knowledge articles