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

Santa Margarita’s strength is running the ball with undersized Adrian Petero (5 feet 5, 175 pounds) to set up the pass for quarterback Fletch Palmer, son of coach Carson Palmer. — Eric Sondheimer, Los Angeles Times, 14 Oct. 2026

The Rek Humanoid Robot Fighting League is a fighting organization that hosts humanoid robot versus robot brawls in an undersized MMA cage. — Jon Martindale, PC Magazine, 5 Oct. 2026

This and that After years of often playing with an undersized power rotation player next to Adebayo, Spoelstra conceded last week that the ability to play more big lineups comes with psychological benefits. — Barry Jackson, Miami Herald, 4 Oct. 2026

Veach was a devout believer in Jackson, who was undersized at 5-foot-9-ish, and passionately made the case. — Kansas City Star, 23 Sep. 2026

Word History

First Known Use

1706, in the meaning defined above

Rhymes for undersized

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

Kids Definition

undersized

adjective

un·​der·​sized ˌən-dər-ˈsīzd 

: smaller than is usual or standard

undersized fruit