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

• 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

In the realm of the visual, the Renaissance umanisti became humanists in our sense, almost by accident: what the painters learned from the past gave them license to enliven their work with faces, bodies, and desires. —Adam Gopnik, New Yorker, 28 July 2025

The modular form’s numbers only had to be equivalent in the realm of what’s known as clock arithmetic. —Joseph Howlett, Wired News, 27 July 2025

Earlier this month, leading experts in the realm of the mind gathered in Heraklion, Crete, for the International Center for Consciousness Studies (ICCS) annual conference. —Theodore McDarrah, Forbes.com, 27 July 2025

Leno continued to explain how, in his day, friends didn’t talk about their political positions — even those in the comedic realm. —Rance Collins, IndieWire, 27 July 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
• 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