Standard Lemma guide

rud

name · 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.

  • /ɹʌd/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ʌd
  • CMU ARPABET: R AH1 D Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A surname.

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

redness; blush

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

ruddle; red ochre

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Alternative form of rudd (“fish”).

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

(engineering, euphemistic) Synonym of rapid unplanned disassembly: An unexpected explosion or breakup.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, acronym, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

verb

Meaning 6

To become red; redden.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

verb

Meaning 7

To make red.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

verb

Meaning 8

To produce a RUD.

Definition source: English Wiktionary via Wiktextract

Usage: euphemistic

Topics: engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Middle English rudden, ruden, from Old English rudian (“to be ruddy”) (compare rudu (“redness”)), from Proto-Germanic *rudāną, from Proto-Indo-European *h1rudhéh1ti, from *h1rewdh- (“red”); cognate with Old Cornish rud and Old Irish rúad). (Compare red).

(explosion): Abbreviation of rapid unplanned disassembly as an initialism and an acronym