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

But surprisingly large realms of online speech remained wide open. — Howard W. French, The New York Review of Books, 3 Oct. 2026

Getty Images Meta’s new artificial intelligence agent Muse promises to make everything from booking appointments to building playlists easier, but its rollout of agentic shopping, in particular, has the tech and retail realms buzzing. — Caleigh Keating, CNBC, 3 Oct. 2026

While online prediction markets were being naturalized, crypto technology was being leveraged in a similar manner by some of the same actors in the realm of art. — Simon Denny, Artforum, 1 Oct. 2026

The dispute bled into the political realm, with a league leader alleging the entire episode was a result of her decision to run for City Council. — Ruben Vives, Los Angeles Times, 1 Oct. 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