: weighing less than the normal or requisite amount
Synonyms
Examples of underweight in a Sentence
Adjective
the long illness left him frail and underweight
Recent Examples on the Web
Edgar Thompson, Orlando Sentinel, 9 Feb. 2025
Wells Fargo reiterates underweight rating and $175 price target Wells Fargo analyst Aaron Rakers is watching Qualcomm’s handset guidance for the second quarter.
—Pia Singh, CNBC, 6 Feb. 2025
Naturally lean body: A leaner (not underweight or overweight) body lowers the risk of developing chronic disease, which research has shown is increased in people with an excess BMI.
—Laura Schober, Health, 6 Feb. 2025
Analyst Sanjit Singh assumed coverage of Palantir earlier this month with an underweight rating.
—Pia Singh, CNBC, 31 Jan. 2025
See all Example Sentences for underweight 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
Logano received some good fortunate last season when Alex Bowman’s disqualification for his car being underweight put Logano back into the round of eight after he’d been eliminated.
—Edgar Thompson, Orlando Sentinel, 9 Feb. 2025
Wells Fargo reiterates underweight rating and $175 price target Wells Fargo analyst Aaron Rakers is watching Qualcomm’s handset guidance for the second quarter.
—Pia Singh, CNBC, 6 Feb. 2025
Naturally lean body: A leaner (not underweight or overweight) body lowers the risk of developing chronic disease, which research has shown is increased in people with an excess BMI.
—Laura Schober, Health, 6 Feb. 2025
Analyst Sanjit Singh assumed coverage of Palantir earlier this month with an underweight rating.
—Pia Singh, CNBC, 31 Jan. 2025
See all Example Sentences for underweight
Dictionary Entries Near underweight
Cite this Entry
“Underweight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underweight. Accessed 20 Feb. 2025.
Copy CitationMedical Definition
underweight
adjective
un·der·weight
-ˈwāt 
: weighing less than the normal amount for one's age, height, and build
underweight children
underweight adults typically have a body mass index of less than 18.5
Love words? Need even more definitions?
Merriam-Webster unabridged
Share