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
GerbenKHER-bənDutch
Lucija-Slovene, Croatian
Eanraig-Scottish
Gavriila-Russian
Evaristus-Ancient Greek (Latinized)
Cille-Danish