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Showing results for underweight. Search instead for underlight.
Synonyms

underweight

American  
[uhn-der-weyt, uhn-der-weyt] / ˈʌn dərˈweɪt, ˈʌn dərˌweɪt /

adjective

  1. weighing less than is usual, required, or proper.


noun

  1. deficiency in weight below a standard or requirement.

underweight British  
/ ˌʌndəˈweɪt /

adjective

  1. weighing less than is average, expected, or healthy

  2. finance

    1. having a lower proportion of one's investments in a particular sector of the market than the size of that sector relative to the total market would suggest

    2. (of a fund etc) disproportionately invested in this way

      pension funds have become underweight of equities

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of underweight

First recorded in 1590–1600; under- + weight

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

They are strategically underweight cyclicals, such as AI-beneficiary technology hardware companies that they think will eventually face the risk of an oversupplied market.

From MarketWatch Jul. 29, 2026

In fact, it can be a sign of atypical anorexia, where someone has all the hallmarks of anorexia but is not underweight by body-mass index standards.

From The Wall Street Journal Jul. 20, 2026

A brief exam revealed the eagle was quite underweight and weak, and her feet were caked with mud.

From Los Angeles Times Jul. 20, 2026

The analysts downgrade the stock to underweight from sector weight, with a $250 price target.

From The Wall Street Journal Jul. 15, 2026

A dangerously underweight corporal in threadbare fatigues comes for Werner on foot.

From "All the Light We Cannot See" by Anthony Doerr

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