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Synonyms

undersized

American  
[uhn-der-sahyzd] / ˈʌn dərˈsaɪzd /

adjective

  1. smaller than the usual or normal size.


undersized British  
/ ˌʌndəˈsaɪzd /

adjective

  1. of less than usual size

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of undersized

First recorded in 1650–60; under- + size 1 + -ed 3

Explanation

The adjective undersized describes something that is smaller than usual. Your Great Dane is undersized if he fits comfortably on your lap. A normal pony might weigh 450 pounds, while an undersized pony could be only 200 pounds. When something is undersized, it is smaller than average, often significantly smaller. An undersized t-shirt will be skin tight, and an undersized car might draw curious stares as it drives past. It's also correct to say undersize, although undersized is more common.

Keep Reading on Vocabulary.com

Vocabulary lists containing undersized

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

There could be benefits, however, from a merger down the road for NBCUniversal on the streaming business since Peacock is undersized relative to such rivals as Netflix.

From Barron's Jun. 29, 2026

Despite pundits raising questions about the Knicks and their undersized 6-foot-2-inch superstar Jalen Brunson, the ball didn’t lie.

From Barron's Jun. 18, 2026

In 2022, Rose signed a former second-round pick named Jalen Brunson—an undersized guard who had never been anywhere near an All-Star team—to a free-agent contract.

From The Wall Street Journal Jun. 15, 2026

Jaquez came in as a 5-foot-11 freshman who played primarily as an undersized forward and would crash the net and collect rebounds.

From Los Angeles Times Mar. 15, 2026

What use could a pair of undersized teenagers be for me?

From "Harry Potter and the Cursed Child" by J.K. Rowling

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