third wheel
Proposed by a contributor, not yet supported by evidence.
Meaning · English
An unwanted or awkward person in a group of two
Nghĩa · Tiếng Việt
người thứ ba không được mong muốn hoặc gây khó chịu trong nhóm hai
Machine-translated — suggest a fix
Literally: a third wheel on a vehicle
Where it’s used:
Used
Widespread English
Examples
I felt like a third wheel on their date
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.
Common questions
What does “third wheel” mean?
An unwanted or awkward person in a group of two Literally: a third wheel on a vehicle
Is “third wheel” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.