The phrase "third wheels" refers to someone who is unneeded or unwanted in a social situation where two people are already paired off. The word "third" is pronounced with a voiced "th" sound, represented by the IPA symbol /ð/, and followed by the /ərd/ sound, which is spelled "-ird" or "-urd". The spelling of "wheels" is straightforward, with the IPA representation being /wiːlz/. Together, the phrase is spelled "third wheels", with the emphasis on the first syllable of "third".
Third wheel(s) is a colloquial term that originated from the concept of a tricycle, which has two wheels at the rear and one in front. In a social context, particularly in the context of romantic relationships, the phrase "third wheel(s)" refers to an individual who is not a romantic couple's primary focus or who feels like they are intruding upon the couple's exclusive dynamics. This term is often used to describe a person who accompanies a couple during their outings, gatherings, or activities but does not engage in the romantic interactions between the couple.
The phrase is typically used in a slightly humorous or self-deprecating manner, and can sometimes reflect feelings of alienation or frustration experienced by the third wheel. It highlights the perceived imbalance or lack of inclusion within the group dynamic, as the couple may exhibit affection or engage in private conversations that exclude the third wheel.
The term "third wheel(s)" has also expanded its connotation beyond romantic relationships. It can be used more broadly to describe a person who feels left out or inconsequential in any social grouping, not just limited to couples. It implies a sense of being surplus or unnecessary, further emphasizing the feeling of being out of place or unwanted in a particular situation.
The term "third wheel" originated from the literal meaning of a wheel used in a tricycle or bicycle, which helps to balance and stabilize the vehicle. However, the figurative usage of "third wheel" to describe a person who is alone or unnecessary in a social situation comes from the image of a third wheel on a bicycle that is not needed for balance or assistance. This analogy emphasizes the notion of feeling out of place or being an extra person in a group. The phrase has been in use since the early 20th century and has become a popular idiom in English.