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.
The full-size humanoid demonstrated advanced balance, precise motion control, and coordinated body movement during the live presentation. Jijo Malayil, Interesting Engineering, 24 May 2026 Their wedding photo only appears in a newspaper fragment, as Tandberg never made a full-size print. Leah Dolan, CNN Money, 23 May 2026 Above the garage, the bunk room could sleep a softball team, with four full-size mattresses below and four twins on top. Kelly Ryan Kegans, Midwest Living, 22 May 2026 Larger foods like roasts, turkeys and full-size pizzas are also easier to prepare in an oven. Bestreviews, Mercury News, 20 May 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 28 May. 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
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