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Definition of “a fifth/third wheel” - English Dictionary

"a fifth/third wheel" in British English

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a fifth/third wheel

US
a wheel on a vehicle to which you attach a trailer, or the trailer itself
someone who is in a situation where they are not needed or are ignored by most people
(Definition of a fifth/third wheel from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “a fifth/third wheel”
in Chinese (Simplified) 冗员,不需要的人, 无足轻重的人…
in Chinese (Traditional) 冗員,不需要的人, 無足輕重的人…
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