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 of realm

• 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

Childs’ exalted use of dance and Kosky’s dazzling theatrical imagination may have moved us into a sleeker, more sophisticated and paradisal Glassian realm, but the sheer passion McDermott and Stasevska bring continues its own attraction. —Classical Music Critic, Los Angeles Times, 6 Mar. 2026

While a first-round corner isn’t out of the realm of possibility, a Day 2 corner feels like the sweet spot. —Mike Defabo, New York Times, 6 Mar. 2026

As of writing this article, there are about 14,000 satellites orbiting our planet — nearly 10,000 of which belong to SpaceX — and the number is going to increase aggressively as commercial interests in this realm continue to grow. —Monisha Ravisetti, Space.com, 5 Mar. 2026

The private realm of immunity certainly includes freedom of speech, freedom of religion, and protection of private property against takings without just compensation. —Cass Sunstein, Big Think, 5 Mar. 2026

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
• range/realm of possibility
• 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