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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 underweight bonds and cash, meaning, basically, 3-month Treasury bills or similar, which now constitute on average 3.6% of their portfolios.

From MarketWatch Jul. 15, 2026

“We recommend overweight exposure to emerging markets, Japan and the euro area within a global equity portfolio, with a mild underweight in the U.S.,”

From MarketWatch Jul. 3, 2026

When she was eventually rescued, she had lost lots of fur because of a severe flea infestation and was underweight.

From BBC Jul. 1, 2026

“Staying underweight technology stocks is the name of the game for now.”

From Barron's Jun. 29, 2026

Pollard, still underweight, was bundled into a double-breasted black suit, the left pant leg slit over his cast.

From "Seabiscuit: An American Legend" by Laura Hillenbrand

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