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.
Just above the realm of e-bikes (with pedals) and below full-size electric motorcycles (with no pedals), there’s an interesting zone of innovation shaping up. William Roberson, Forbes, 7 Mar. 2025 To The Motoring Club! Telo has raised some US$6.8 million over the last couple of years with its vision to build a compact, performance electric truck with a full-size bed and the footprint of a Mini Cooper SE. New Atlas, 7 Mar. 2025 The Tecno Spark Slim is a full-size phone that's a mere 5.75mm (0.22 inches) thick, which is a lot more svelte than the iPhone 16 (7.7mm, 0.3 inches) and the Galaxy S25 (7.2mm, 0.28 inches). Eric Zeman, PCMAG, 7 Mar. 2025 Make sure anything that’s liquid or spreadable doesn’t exceed the TSA three-ounce limit; for example, no whole jars of peanut butter or full-size containers of hummus. Sophie Friedman, AFAR Media, 4 Mar. 2025 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 13 Mar. 2025.

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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