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.
To get data for the simulator, their team takes full-size Boeing jets on research flights over the Rocky Mountains. Burkhard Bilger, New Yorker, 2 Mar. 2026 No more full-size toiletry bottles taking up precious suitcase space. Kayla Kitts, Travel + Leisure, 27 Feb. 2026 This is a common method, but timing is critical to grow full-size onions because second-year bulbs are prone to flowering. Barbara Gillette, The Spruce, 27 Feb. 2026 In terms of suction power and cleaning large areas, full-size vacuums are the way to go. Bestreviews, Mercury News, 27 Feb. 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

Browse Nearby Words

Cite this Entry

“Full-size.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/full-size. Accessed 6 Mar. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster