: weighing less than the normal or requisite amount
Examples of underweight in a Sentence
Adjective
the long illness left him frail and underweight
Recent Examples on the Web
Brittany Lubeck, Verywell Health, 15 May 2025
Today, positioning is closer to neutral, according to the same analysts, but still underweight by historical standards.
—Catherine Baab, Quartz, 14 May 2025
The fact that stocks continued to add to their gains throughout the day suggests there was significant buying from institutional investors who were either short or underweight the market, Hackett said.
—Jesse Pound, CNBC, 12 May 2025
Aid workers say many children are dangerously underweight due to lack of food.
—Mary Kekatos, ABC News, 10 May 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
Individuals who are underweight or have a history of eating disorders should also avoid it.1 People with medical conditions or those taking medications, especially for diabetes, should consult a healthcare professional before starting.
—Brittany Lubeck, Verywell Health, 15 May 2025
Today, positioning is closer to neutral, according to the same analysts, but still underweight by historical standards.
—Catherine Baab, Quartz, 14 May 2025
The fact that stocks continued to add to their gains throughout the day suggests there was significant buying from institutional investors who were either short or underweight the market, Hackett said.
—Jesse Pound, CNBC, 12 May 2025
Aid workers say many children are dangerously underweight due to lack of food.
—Mary Kekatos, ABC News, 10 May 2025
See All Example Sentences for underweight
Cite this Entry
“Underweight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underweight. Accessed 22 May. 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