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 family room booking option consists of two connecting Deluxe Rooms with a balcony, and can have two king-size beds or a king-size bed and two twin beds. —Susmita Baral, Travel + Leisure, 6 Dec. 2025

Dawndior King-Size All-Season Quilt Set This king-size quilt set has the clean, bright look of hotel bedding. —Kenedee Fowler, Southern Living, 29 Nov. 2025

The property’s original carriage house is now the inn’s best room, outfitted with a king-size bed and walk-in shower. —Nora Heston Tarte, Mercury News, 26 Nov. 2025

The Great Green Room includes a queen bed, while a main bedroom features a king-size bed for grown-ups. —Sonal Dutt, PEOPLE, 10 Nov. 2025

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