third wheel
[ thurd-weel, hweel ]
noun
a person or thing that does not belong or is not wanted or needed: When my wife’s sister is here the two of them talk up a storm, and I feel like a third wheel.
Origin of third wheel
1First recorded in 1900–05
- Also called fifth wheel .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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