1
: having the usual or normal size of its kind
a full-size keyboard
2
US, of a bed : having the dimensions 54 by 75 inches (about 1.4 by 1.9 meters)
also : of a size to fit a full-size bed
full-size sheets
compare king-size, queen-size, twin-size
3
US, of a vehicle : relatively large in size
especially, of a sedan : having four doors and seating for up to six
Not too long ago, everyone, and we mean everyone, from Elvis to your Aunt Bea drove a big, powerful full-size American car. … Scott Oldham

Examples of full-size in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This set includes five shelves that can hold up to a dozen full-size bottles, plus hooks for hanging loofahs or bath towels. Jacqueline Tempera, Better Homes & Gardens, 14 Jan. 2026 If that first step is successful, then a full-size 15-centimeter organ would be tested in pigs. Paul Sisson, San Diego Union-Tribune, 12 Jan. 2026 Choose from plush rooms at the new Sweetgrass Inn or full-size homes for larger groups. Kelsey Ogletree, Midwest Living, 11 Jan. 2026 To a lesser extent, the Escalade also does battle with cars like the BMW X7, the Lexus LX, Mercedes GLS, and Range Rover, though, considering only American full-size luxury SUVs—as many buyers in the segment do—Escalade is well on top. Erik Shilling, Robb Report, 9 Jan. 2026 See All Example Sentences for full-size

Word History

First Known Use

1772, in the meaning defined at sense 1

Time Traveler
The first known use of full-size was in 1772

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Cite this Entry

“Full-size.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full-size. Accessed 14 Jan. 2026.

Kids Definition

full-size

adjective
ˈfu̇l-ˌsīz
1
: having the usual or normal size of its kind
2
: having a size of 54 inches by 75 inches (about 1.4 meters by 1.9 meters)
a full-size bed
Last Updated: - Updated example sentences
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