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Definition of underweight

underweight

/ˌʌn.dɚˈweɪt/
un · der · weight

Past Simple:underweighted
•
Past Participle:underweighted
•
Present Participle:underweighting
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underweight Lexical Profile

underweight Game Scores & Validity

• adjective

1

Weighing less than is normal, healthy, or required for a person or animal of a given age and height.

Example

"The veterinarian noted that the rescued puppy was severely underweight and needed a specialized diet."


2

Having less than the required, standard, or permissible weight (especially of goods, coins, or baggage).

Example

"Inspectors fined the bakery for selling loaves of bread that were consistently underweight."


3

Holding a smaller proportion of a particular asset or sector in an investment portfolio than the benchmark index.

Example

"The fund manager decided to remain underweight in technology stocks due to market volatility."

Synonyms
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Antonyms
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• noun

1

A condition of weighing less than is normal, healthy, or required; an insufficiency in weight.

Example

"Public health programs in the region aim to reduce childhood underweight through improved maternal nutrition."

Synonyms
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Antonyms
View all antonyms for underweight

• verb

1

To allocate a smaller proportion of a financial portfolio to a particular asset or sector than is represented in a benchmark index, or to assign insufficient statistical weight to a factor.

Example

"The firm chose to underweight emerging market equities in its fourth-quarter strategy."

• Rhymes for underweight

Cite this Entry


Wordmom. (2026). Definition of Underweight. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/underweight
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