king-size

adjective

ˈkiŋ-ˌsīz 

variants or king-sized

ˈkiŋ-ˌsīzd 

1

: longer than the regular or standard size

a king-size cigarette

2

: unusually large

3

US, of a bed : having dimensions of approximately 76 by 80 inches (about 1.9 by 2.0 meters)

also : of a size that fits a king-size bed

king-size sheets

compare full-size, queen-size, twin-size

Synonyms of king-size

• giant
• gigantic
• huge
• enormous
• vast
• colossal
• massive
• tremendous
• mammoth
• bumper
• monster
• monumental
• immense

Examples of king-size in a Sentence

built a king-size mansion with the money he had made in the stock market

the king-size snake known as the anaconda

Recent Examples on the Web

The Rooms Our Bunk Suite featured a bedroom with a king-size bed and a balcony overlooking the lagoon. —Kinsey Gidick, Travel + Leisure, 15 Mar. 2026

Those dimensions fall just a few inches short of a residential king-size mattress, with a width equal to a full king. —New Atlas, 11 Mar. 2026

There are few things more indulgent than sitting atop a king-size bed, in a robe, with a plate of room service. —Kate McGregor, Architectural Digest, 9 Mar. 2026

Plush queen- or king-size beds are outfitted with Parachute Home bed linens (and complemented by Parachute bath towels). —Condé Nast, Condé Nast Traveler, 21 Feb. 2026

Word History

First Known Use

1909, in the meaning defined at sense 1

Rhymes for king-size

• advise
• applies
• apprise
• arise
• assize
• baptize
• belies
• bitwise
• capsize
• chastise
• chordwise
• clockwise

Kids Definition

king-size

adjective

ˈkiŋ-ˌsīz

variants or king-sized

-ˌsīzd

1

: unusually long or large

2

: having a size of 76 inches by 80 inches (about 1.9 meters by 2.0 meters)

a king-size bed