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fifth wheel

see definition of fifth wheel
  • nounsomebody or something unnecessary
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Synonyms for fifth wheel

noun somebody or something unnecessary
  • deadwood
  • hanger-on
  • lagniappe
  • spare
  • spare tire
  • superfluity
  • third wheel
  • triviality
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.