a fifth wheel



a fifth/third wheel

  (American)
someone who is in a situation where they are not really needed or are ignored by other people I don't have a role in the office any more - I feel like a fifth wheel.
See also: fifth, wheel

Common Names:

NameGenderPronouncedUsage
ZenonZE-nawn (Polish)Ancient Greek, Polish
Camilakah-MEE-lah (Spanish)Spanish, Portuguese
Shahrazad-Persian (Rare), Arabic
Grga-Croatian
Lilavati-Indian, Hindi (Rare)
LudĚK-Czech