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fifth wheel
1 ENTRIES FOUND:
fifth wheel
(noun)
fifth wheel
noun
plural
fifth wheels
fifth wheel
noun
plural
fifth wheels
Britannica Dictionary definition of FIFTH WHEEL
[
count
]
informal
:
an extra person who is not needed in a group
He felt more and more like a
fifth wheel
at the office.
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blunt
:
having a thick edge or point
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