third wheel

noun

A person or thing that serves no useful purpose.

Meanings

nounthird wheel (plural third wheels)

plural third wheels · alternative 3rd wheel

  1. idiomaticA person or thing that serves no useful purpose.
  2. idiomaticA third party, usually unwanted, accompanying two people on a date.
  3. Used other than figuratively or idiomatically: see third, wheel.

    Synonyms: fifth wheel, gooseberry, spare wheel

verbthird wheel (third-person singular simple present third wheels, present participle third wheeling, simple past and past participle third wheeled)

present singular third person third wheels · participle present third wheeling · participle past third wheeled · past third wheeled · alternative 3rd wheel

  1. alternativeAlternative form of third-wheel.

Synonyms & antonyms

nounUsed other than figuratively or idiomatically: see third, wheel.

Translations

Chinese Cantonese 電燈膽 /电灯胆
  • 電燈膽 /电灯胆unwanted third party accompanying two people on a date
Chinese Mandarin 電燈泡 /电灯泡, 電燈泡 /电灯泡
  • 電燈泡 /电灯泡 (diàndēngpào)person or thing that serves no useful purpose
  • 電燈泡 /电灯泡 (diàndēngpào)unwanted third party accompanying two people on a date
Dutch vijfde wiel aan de wagen, vijfde rad aan de wagen
  • vijfde wiel aan de wagenperson or thing that serves no useful purpose
  • vijfde rad aan de wagenperson or thing that serves no useful purpose
Finnish painolasti, kolmas pyörä
  • painolastiperson or thing that serves no useful purpose
  • kolmas pyöräunwanted third party accompanying two people on a date
French tenir la chandelle, cinquième roue du carrosse
  • tenir la chandelleunwanted third party accompanying two people on a date
  • cinquième roue du carrosseunwanted third party accompanying two people on a date
German fünftes Rad am Wagen
  • fünftes Rad am Wagenperson or thing that serves no useful purpose
Hebrew גלגל שלישי
  • גלגל שלישי (galgál shlishí)unwanted third party accompanying two people on a date
Hindi कबाब में हड्डी, कबाब में हड्डी
  • कबाब में हड्डी (kabāb mẽ haḍḍī)person or thing that serves no useful purpose
  • कबाब में हड्डी (kabāb mẽ haḍḍī)unwanted third party accompanying two people on a date
Hungarian harmadik kerék, gyertyatartó
  • harmadik kerékperson or thing that serves no useful purpose
  • gyertyatartóunwanted third party accompanying two people on a date
  • harmadik kerékunwanted third party accompanying two people on a date
Indonesian obat nyamuk
  • obat nyamukunwanted third party accompanying two people on a date
Irish éan corr
  • éan corrunwanted third party accompanying two people on a date
Italian ultima ruota del carro, terzo incomodo
  • ultima ruota del carroperson or thing that serves no useful purpose
  • terzo incomodounwanted third party accompanying two people on a date
Polish piąte koło u wozu, przyzwoitka
  • piąte koło u wozuperson or thing that serves no useful purpose
  • przyzwoitkaunwanted third party accompanying two people on a date
  • piąte koło u wozuunwanted third party accompanying two people on a date
Portuguese vela
  • velaunwanted third party accompanying two people on a date
Romanian a cincea roată la căruță
  • a cincea roată la căruțăperson or thing that serves no useful purpose
Russian третий лишний, тре́тий ли́шний
  • третий лишний (tretij lišnij)person or thing that serves no useful purpose
  • тре́тий ли́шний (trétij líšnij)unwanted third party accompanying two people on a date
Spanish cero a la izquierda, sujetavelas
  • cero a la izquierdaperson or thing that serves no useful purpose
  • sujetavelasunwanted third party accompanying two people on a date
  • mal terciounwanted third party accompanying two people on a date
  • sapounwanted third party accompanying two people on a date
  • violinistaunwanted third party accompanying two people on a date
  • chaperónunwanted third party accompanying two people on a date
  • paletaunwanted third party accompanying two people on a date
  • lamparitaunwanted third party accompanying two people on a date
  • sujetaciriosunwanted third party accompanying two people on a date
Swedish tredje hjul
  • tredje hjulunwanted third party accompanying two people on a date
Vietnamese trà xanh, tiểu tam
  • trà xanhunwanted third party accompanying two people on a date
  • tiểu tamunwanted third party accompanying two people on a date
  • người thứ baunwanted third party accompanying two people on a date
  • con giáp thứ 13unwanted third party accompanying two people on a date
Welsh olwyn sbâr
  • olwyn sbârunwanted third party accompanying two people on a date
Cite this entry
APA

third wheel. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/third%20wheel

MLA

“third wheel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/third%20wheel. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “third wheel,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/third%20wheel.

Source: third wheel on Wiktionary, CC BY-SA 4.0.