as in lightweight
having little weight
the long illness left him frail and underweight
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Recent Examples of underweight
Bariatric surgery – a procedure for weight loss – appears to alter set point weight, reducing hunger without decreasing energy expenditure and patients rarely become underweight.
—
Kim Pfotenhauer,
The Conversation,
22 May 2026
The compute build for inference has multi-year lead times, the capacity is already spoken for through 2027, and the buyers are still underweight.
—
Jon Markman,
Forbes.com,
14 May 2026
My five-year-old daughter was born underweight, probably because both parents were smokers.
—
Sun Sentinel Editorial Board,
Sun Sentinel,
27 Apr. 2026
Yet, SigRist says the NC pension system remains generally underweight the sector relative to benchmark.
—
Amanda Gerut,
Fortune,
7 Mar. 2026
See All Example Sentences for underweight
Kim Pfotenhauer,
The Conversation,
22 May 2026
The compute build for inference has multi-year lead times, the capacity is already spoken for through 2027, and the buyers are still underweight.
—
Jon Markman,
Forbes.com,
14 May 2026
My five-year-old daughter was born underweight, probably because both parents were smokers.
—
Sun Sentinel Editorial Board,
Sun Sentinel,
27 Apr. 2026
Yet, SigRist says the NC pension system remains generally underweight the sector relative to benchmark.
—
Amanda Gerut,
Fortune,
7 Mar. 2026
See All Example Sentences for underweight
Recent Examples of Synonyms for underweight
lightweight
Adjective
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These wireless headphones deliver crisp, clear audio but feature a lightweight design that is comfortable enough to wear all day.
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Compact, lightweight, and simple in design, this Vera Bradley mini belt bag is roomy enough for your phone, a small wallet, keys, and other everyday essentials.
Cite this Entry
“Underweight.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/underweight. Accessed 28 Jun. 2026.
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