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 in the realm of expensive celebrity nuptials, Swift and Kelce have some fierce competition among their wealthy peers. — Britt Hayes, Entertainment Weekly, 2 July 2026

Horror remains one of the few realms where difficult and disturbing stories are an asset, but underrepresented creators should still have more reach. — Alison Foreman, IndieWire, 2 July 2026

The president also expanded his dealings in the relatively new realm of cryptocurrency. — Jenny Jarvie, Los Angeles Times, 1 July 2026

He’s transported to a realm of Tolkienesque fantasy, deposited somewhere between the Stony Waste and the Frozen Sea. — Dan Piepenbring, Harpers Magazine, 30 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