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

Formal inquiries began after complaints that personal information shared only in private realms was routinely exposed on the front pages of national newspapers, causing distress and compromising the safety of those targeted. —Charlotte Reck, CNN Money, 9 Nov. 2025

The president worked with Gifford Pinchot—the US Forest Service’s first leader—on a publicity campaign in this realm, and came to appoint a commission in 1903 that held public hearings and investigations the president knew would grab headlines. —JSTOR Daily, 7 Nov. 2025

When a House seat in the Sierra foothills opened up in the 2008 election cycle, McClintock shifted north, successfully running for office there, and has been ensconced in California’s northeastern and central realms ever since. —David Mark, The Washington Examiner, 7 Nov. 2025

No implication in the criminal realm. —Madison E. Goldberg, PEOPLE, 7 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