as in lightweight
having little weight
the long illness left him frail and underweight
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Recent Examples of underweight
Being obese is more prevalent than being underweight in all regions of the world except sub-Saharan Africa and South Asia.
—
Tom Chivers, semafor.com, 10 Sep. 2025
Per the National Institutes of Health's standards, this is considered underweight.
—EW.com, 21 Aug. 2025
One area investors are underweight on is clean technology.
—Lee Ying Shan, CNBC, 13 Aug. 2025
Stray cats, according to the charity Cats Protection, might look a little skinny or underweight.
—Maria Azzurra Volpe, MSNBC Newsweek, 8 Aug. 2025
See All Example Sentences for underweight
Tom Chivers, semafor.com, 10 Sep. 2025
Per the National Institutes of Health's standards, this is considered underweight.
—EW.com, 21 Aug. 2025
One area investors are underweight on is clean technology.
—Lee Ying Shan, CNBC, 13 Aug. 2025
Stray cats, according to the charity Cats Protection, might look a little skinny or underweight.
—Maria Azzurra Volpe, MSNBC Newsweek, 8 Aug. 2025
See All Example Sentences for underweight
Recent Examples of Synonyms for underweight
lightweight
Adjective
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The lightweight and compact kit is easy to bring along while traveling or tuck away in a closet at home.—
Christine Persaud,
USA Today,
4 Oct. 2025
-
Looking for a lightweight laptop that won’t blow your budget?—
PC Magazine,
PC Magazine,
3 Oct. 2025
Cite this Entry
“Underweight.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underweight. Accessed 7 Oct. 2025.
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