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

The campus includes a towering museum that covers the political and personal realms of the nation’s first Black president and first lady, while public spaces include a branch of the Chicago Public Library, a playground and athletic center, basketball courts and a picnic area with grills. —Lauryn Overhultz, FOXNews.com, 18 June 2026

The campus includes a towering museum that covers the political and personal realms of the nation’s first Black president, while public spaces include a branch of the Chicago Public Library, a playground and athletic center, basketball courts and a picnic area with grills. —ABC News, 18 June 2026

Unlike elder politicians and voters, those with excess power in the private realm might deserve compensation for losing it. —Literary Hub, 18 June 2026

Then be sure to read our roundups of the best cameras and lenses for astrophotography, along with our beginner's guide to imaging the post sunset realm. —Anthony Wood, Space.com, 17 June 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