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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.

Morgan Stanley analysts, led by Erik Woodring, on Thursday kept an Underweight rating on Dell with a price target of $170.

From Barron's • May 22, 2026

On April 21, Barclays analysts downgraded shares to Underweight and a day later Jefferies downgraded the stock to Hold from Buy.

From Barron's • May 4, 2026

A team of analysts, led by Sean Diffley, changed its rating to Overweight from Underweight, and raised its price target to $14 a share, up from $11.

From Barron's • May 1, 2026

Western Digital still has one holdout in Baptista Research, which has an Underweight rating on the stock.

From Barron's • Jan. 16, 2026

Underweight A person who is not heavy enough can usually gain weight by following the general rules of hygiene, especially in the matter of increasing the fuel or energy foods.

From How to Live Rules for Healthful Living Based on Modern Science by Fisher, Irving

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