fourth

English · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

fourth¹

  • /fɔːθ/ UK
  • /fɔɹθ/ US
  • /fo(ː)ɹθ/
  • /foəθ/

Sounds like forth · Rhymes with -ɔː(ɹ)θ

Where it comes from

Inherited from Middle English fourthe, an alteration (due to four) of ferthe, from Old English fēorþa, fēowerþa, from Proto-West Germanic *feurþō, from Proto-Germanic *fedurþô, equivalent to four + -th (ordinal suffix).

Cognates

Compare West Frisian fjirde, Saterland Frisian fjädde, fjoode, Dutch vierde, German Low German feerde, feerd, German vierte, Danish fjerde, Icelandic fjórði.

adjective

  1. not comparable The ordinal form of the number four. The fourth model is called the enlightment model: Actors are seen to be responsible for problems but unable or unwilling to provide solutions. They are believed to need discipline provided by authoritative guidance. The Alcoholic Anonymous^([sic]) groups are considered prototypical for this model.

noun fourths

  1. singular The person or thing in the fourth position. We are one F and two M's seeking the company of a fourth (M or F) for our spacious and friendly Somerville apt.
  2. US A quarter, one of four equal parts of a whole.

    Similar: fourth part, quarter, farthing

  3. singular The fourth gear of an engine.
  4. A musical interval which spans four degrees of the diatonic scale, for example C to F (C D E F). Now I've heard there was a secret chord / That David played, and it pleased the Lord / But you don't really care for music, do ya? / It goes like this, the fourth, the fifth
  5. rare One sixtieth of a third or tierce. […] thirds (sixtieths of seconds), fourths (sixtieths of thirds) and so on, but then it becomes very cumbersome.

verb fourths · fourthing · fourthed

  1. informal To agree with a proposition or statement after it has already been thirded. If he remembered rightly what took place in the House on the first night of the session, the Attorney General would have to file an information, not only against the noble Lord who proposed the address, and the hon. Member for London who seconded it, but also against the hon. Member who thirded, and

Fourth²

  • /fɔɹθ/ US

Sounds like forth, fourth · Rhymes with -ɔː(ɹ)θ

proper noun the Fourth · 4th

  1. US The Fourth of July.

Thesaurus

Closest in meaning: quaternary, one-fourth, quartern, quarter, ordinal, fourth part, twenty-five percent, four, fifth, sixth, fourteenth, twenty-fourth, third, quart, watch, second

Translations

Every language

adj ordinal form of the number four — see also 4th

Españolcuarto
한국어넷째 netjjae
日本語四番 yonban
中文第四 dìsì
हिन्दीचौथा cauthā, चतुर्थ caturth, तुरीय turīya, चहुरा cahurā
Kiswahiliya nne
Portuguêsquarto
Françaisquatrième, quatre
Deutschvierte
Italianoquarto, quarta
Ελληνικάτέταρτος tétartos
Românăpatrulea
Русскийчетвёртый četvjórtyj
Tiếng Việtthứ tư
العربيةرَابِع rābiʕ, رَابِعَة rābiʕa
עבריתרביעי

noun person or thing in the fourth position

Españolcuarto
Portuguêsquarto, quarta
Françaisquatrième
DeutschVierter
Italianoquarto, quarta
Românăal patrulea, a patra
Русскийчетвёртый četvértyj

noun fourth-highest gear of an engine

Portuguêsquarta (marcha)
Italianoquarta, quarta marcia
Românăviteza a patra
Русскийчетвёртая переда́ча četvjórtaja peredáča

noun musical interval spanning four degrees of the diatonic scale

日本語四度
Françaisquarte
Românăcvartă
Русскийква́рта kvárta

Talk about this word

Cite this
MLA

"fourth." Wiktionary, via Micwyn, micwyn.com/word/fourth. Accessed 6 Nov. 2026.

APA

fourth. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fourth

Chicago

"fourth." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fourth.

BibTeX
@misc{fourth_2026,
  title = {fourth},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fourth},
  urldate = {2026-11-06}
}