fifth wheel

English

Wikipedia

Noun

fifth wheel (plural fifth wheels)

1. A type of trailer hitch, which consists of a horseshoe-shaped plate on a multi-directional pivot, with a locking pin to couple with the kingpin of a truck trailer.
2. A very large truck trailer; an 18-wheeler.
3. A very large trailer that is towed with a pickup truck.
4. (idiomatic) Anything superfluous or unnecessary.

   As the third person along on their date, I felt like a fifth wheel.

   I felt like a fifth wheel when they started giggling and making out during dinner.

Synonyms

• (anything superfluous or unnecessary): third wheel, spare tool

Translations

a type of trailer hitch

• Swedish: vändskiva (sv) c

a very large truck trailer

a very large trailer

anything superfluous or unnecessary

• Arabic: الصنية (ar) f
• Chinese:

  Mandarin: 電燈泡 (cmn), 电灯泡 (cmn) (diàndēng pào), 燈泡 (cmn), 灯泡 (cmn) (dēng pào), 電燈泡兒 (cmn), 电灯泡儿 (cmn) (diàndēng pàor), 燈泡兒 (cmn), 灯泡儿 (cmn) (dēng pàor)

• Czech: páté kolo (cs) n (u vozu)
• Dutch: 't vijfde wiel (aan de wagen) (nl)
• Finnish: kolmas (fi) pyörä (fi)
• French: cinquième roue du carrosse (fr) f
• German: fünftes Rad am Wagen (de) n
• Hungarian: ötödik kerék (hu), felesleges (hu)
• Icelandic: aðskotadýr (is) n

• Italian: ultima ruota del carro (it) f
• Japanese: please add this translation if you can
• Korean: please add this translation if you can
• Lithuanian: penkta koja (lt) f
• Polish: piąte koło (pl) n (u wozu)
• Portuguese: quinta roda (pt) f, peso morto (pt) m
• Russian: пятое колесо (ru) (pjátoje kolesó) n
• Slovak: piate koleso u voza (sk)
• Spanish: quedarse tocando el violín (es)
• Swedish: femte (sv) hjulet (sv) n
• Vietnamese: please add this translation if you can