undersized

adjective

un·​der·​sized ˌən-dər-ˈsīzd 

variants or less commonly undersize

ˌən-dər-ˈsīz 

: of a size less than is common, proper, normal, or average

undersized trout

Synonyms of undersized

• diminutive
• small
• little

Examples of undersized in a Sentence

He is undersized for a basketball player.

though a football all-star in high school, he was just a mediocre, undersized player at the college level

Recent Examples on the Web

There’s no denying that at 5-11, York is widely considered undersized for the pro level. —Blair Kerkhoff, Kansas City Star, 8 Apr. 2026

An undersized pass-catcher who can be a stout blocker with a bit of fine-tuning? —Parker Gabriel, Denver Post, 5 Apr. 2026

Rickon said that at 70 pounds, Slim Shady was undersized and likely hadn’t had adequate space for his habitat to this time. —Graham Womack, Sacbee.com, 4 Apr. 2026

How could an undersized, underclassman quarterback coming off a serious knee injury fend off a QB who’d received offers from the likes of Oklahoma, Miami and Notre Dame? —Shaun Goodwin, Idaho Statesman, 1 Apr. 2026

Word History

First Known Use

1706, in the meaning defined above

Rhymes for undersized

• acclimatized
• actualized
• aerosolized
• alphabetized
• aluminized
• anaesthetized
• anesthetized
• annualized
• antagonized
• apologised
• apologized
• capitalised

Kids Definition

undersized

adjective

un·​der·​sized ˌən-dər-ˈsīzd 

: smaller than is usual or standard

undersized fruit