Word.ws English Dictionary

rud

/ɹʌd/

rud noun: redness or blushing. Also the alternative form of rudd.

Noun (1)

rud (uncountable)

  1. (obsolete) redness or blushing
  2. (obsolete) ruddle or red ochre

Verb (1)

rud (third-person singular simple present ruds, present participle rudding, simple past and past participle rudded)

  1. (intransitive) To become red; redden.
  2. (obsolete, transitive) To make red.
    • Her cheekes lyke apples which the sun hath rudded1591, Ed[mund] Sp[enser], “Epithalamion”, in Complaints. Containing Sundrie Small Poemes of the Worlds Vanitie. […], London: […] William Ponsonbie, […], →OCLC

Noun (2) capitalized: RUD

RUD (plural RUDs)

  1. (abbreviation, acronym, initialism) (engineering, euphemistic) Synonym of rapid unplanned disassembly: An unexpected explosion or breakup.
    • Private spaceflight company SpaceX has released new pictures of its Falcon 9 rocket attempting to land on a floating platform in the Atlantic Ocean before undergoing what its chief executive, Elon Musk, euphemistically referred to as "RUD" – that’s "Rapid Unscheduled Disassembly". In other words...2015 January 16, Alex Hern, “This is what a 'rapid unscheduled disassembly' looks like”, in The Guardian
    • “Fuel header tank pressure was low during landing burn, causing touchdown velocity to be high & RUD, but we got all the data we needed!” he said in a tweet.2020 December 13, Eliott C. McLaughlin and Melissa Alonso, “SpaceX Falcon 9 launches and deploys satellite, days after another rocket crashed in Texas”, in CNN

Verb (2) capitalized: RUD

  1. (euphemistic) To produce a RUD.

Proper noun capitalized: Rud

Rud (plural Ruds)

  1. A surname.

Also used as

rud is also the alternative form of rudd.

Forms of rud

Verb
third-person singular presentruds
present participlerudding
past participlerudded
pastrudded
Noun
pluralruds
pluralRUDs
Proper noun
pluralRuds

Origin of rud

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

Words formed from rud

Words that rhyme with rud

15 more rhymesFewer rhymes

Questions about rud

What does rud mean?
Rud means redness or blushing.
What part of speech is rud?
Rud can be a noun, a verb or a proper noun.
How do you pronounce rud?
Rud is pronounced /ɹʌd/.
What is the plural of rud?
The plural of rud is ruds.

Words near rud in the dictionary

  1. ructations
  2. ruction
  3. ructions
  4. ructious
  5. Rucuyen
  6. rud
  7. Rud syndrome
  8. Ruda
  9. Ruda-Krasna
  10. Rudaba
  11. rudaceous

Source and license

Adapted from Wiktionary: rud (page history and authors); RUD (page history and authors); Rud (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-rud.wav.

Cite this entry: “rud.” Word.ws, https://word.ws/rud. Based on Wiktionary, CC BY-SA 4.0.