twin-size

adjective

ˈtwin-ˈsīz 

US, of a bed : having dimensions of 39 by 75 inches (about 1.0 by 1.9 meters)

also : of a size that fits a twin-size bed

twin-size sheets

compare full-size, king-size, queen-size

Examples of twin-size in a Sentence

Recent Examples on the Web

There are plenty of plush pillows (upwards of eight or so on a twin-size bed), furry carpets, and even musical vinyl hung onto the walls. —Isiah Magsino, Town & Country, 3 Aug. 2023

There's even a secret passage behind one of the bathrooms that leads to a guest loft with a twin-size bed — perfect for kids. —Stacey Leasca, Travel + Leisure, 28 July 2023

No other bedding is needed, and don't try to make a twin-size bed sheet fit around the little crib mattress. —Jessica Hartshorn, goodhousekeeping.com, 9 May 2023

The Lookout: Inside the lookout are a twin-size bed and several extra floor mattresses. —David Gladish, Outside Online, 31 Jan. 2023

Word History

Etymology

twin bed

First Known Use

1926, in the meaning defined above

Kids Definition

twin-size

adjective

ˈtwin-ˌsīz

: having a size of 39 inches by 75 inches (about 1.0 by 1.9 meters)

a twin-size bed