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

Sometimes there’s a lesson to learn at the end of being spirited away – at least that’s the case for two Japanese teenagers who find themselves navigating the realms between life and death. —Destiny Jackson, Deadline, 15 Nov. 2025

The changes are limited to the company’s product and technical realms. —Ross O'Keefe, The Washington Examiner, 15 Nov. 2025

The potential for conflict between nations in space is not beyond the realms of possibility. —Simonetta Di Pippo, Space.com, 15 Nov. 2025

In recent years, much of the new technology used in the stunt realm has come courtesy of visual effects artists, who employ CGI to erase safety wires, composite in dangerous elements like fireballs and, at times, build action sequences almost completely from the whole digital cloth. —Todd Longwell, Variety, 14 Nov. 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
• 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