twin-size
adjective
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
According to the Sleep Foundation, couples often opt for two twin-size duvets or two twin XL duvets.
—
Halee Miller Van Ryswyk, Better Homes & Gardens, 25 Nov. 2025
Each twin-size mattress has curtains, a light, power outlets, bedding and pillows.
—Ryan Gillespie, The Orlando Sentinel, 20 Aug. 2025
And, as luck would have it, the 12-inch, twin-size version is what's on major sale for Prime Day.
—Julia Forbes, Wired News, 9 July 2025
Sleep in Heavenly Peace received $7,500 to provide twin-size beds to children in need ages 3-17 who otherwise might sleep on the floor.
—Linda McIntosh, San Diego Union-Tribune, 19 June 2025
The hotel is fully accessible and has 14 accessible rooms (including twin-size beds and queen-size bed options) that offer roll-in and transfer showers, visual alarms, and closed captions on TVs.
—Stacey Leasca, Travel + Leisure, 28 May 2025
Use it as a twin-size bed or two, sofa, or pop the trundle bed to create a king-size bed in a guest room.
—Blake Bakkila, Architectural Digest, 21 Apr. 2025
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Halee Miller Van Ryswyk, Better Homes & Gardens, 25 Nov. 2025
Each twin-size mattress has curtains, a light, power outlets, bedding and pillows.
—Ryan Gillespie, The Orlando Sentinel, 20 Aug. 2025
And, as luck would have it, the 12-inch, twin-size version is what's on major sale for Prime Day.
—Julia Forbes, Wired News, 9 July 2025
Sleep in Heavenly Peace received $7,500 to provide twin-size beds to children in need ages 3-17 who otherwise might sleep on the floor.
—Linda McIntosh, San Diego Union-Tribune, 19 June 2025
The hotel is fully accessible and has 14 accessible rooms (including twin-size beds and queen-size bed options) that offer roll-in and transfer showers, visual alarms, and closed captions on TVs.
—Stacey Leasca, Travel + Leisure, 28 May 2025
Use it as a twin-size bed or two, sofa, or pop the trundle bed to create a king-size bed in a guest room.
—Blake Bakkila, Architectural Digest, 21 Apr. 2025
Cite this Entry
“Twin-size.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twin-size. Accessed 8 Dec. 2025.
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