realm

noun

ˈrelm 

1

: kingdom sense 3

2

: sphere, domain

within the realm of possibility

3

: a primary marine or terrestrial biogeographic division of the earth's surface

Synonyms

• area
• domain
• element
• field
• department
• sphere
• kingdom
• walk
• territory

Examples of realm in a Sentence

new discoveries in the realm of medicine

in political and legal realms

Recent Examples on the Web

But only once has the mercantile danced with the affluent to such sensuous effect in the realm of fiction. —JSTOR Daily, 18 Oct. 2025

This pagan tradition took place on October 31 when the Celts believed the veil between the physical world and the spirit realm was thinnest, with ceremonial fires and rituals taking place to mark the conclusion of one pastoral year, and the entry into the next. —Nicole Kliest, Vogue, 18 Oct. 2025

Since the film first ran during Libra season, themes of connectivity and whimsical realms differ entirely, but come together in this endearing movie that warms our hearts. —Lisa Stardust, PEOPLE, 17 Oct. 2025

The Northern Amazon The northern Amazon is a realm of profound magic and mystery that’s ideal for year-round exploration. —Jen Richt, Travel + Leisure, 17 Oct. 2025

Word History

Etymology

Middle English realme, from Anglo-French, alteration of Old French reiame, from Latin regimen control — more at regimen

First Known Use

13th century, in the meaning defined at sense 1

Phrases Containing realm

• coin of the realm
• outside the range/realm of possibility
• outside the realm of the possible
• within the range/realm of possibility
• within the realm of the possible

Rhymes for realm

• elm
• helm
• overwhelm

Kids Definition

realm

noun

ˈrelm 

1

: kingdom sense 1

2

: field of influence or activity

the realm of art