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

Danny Werfel, the former IRS commissioner from 2023 to 2025, told CBS News that ChatGPT and similar AIs are not specific to the realm of taxes and haven't been tested for accuracy. —Megan Cerullo, CBS News, 27 Mar. 2026

However, there may be biological hurdles that could forever confine this vision to the realm of science fiction and human civilization to our Earthly soil. —Tereza Pultarova, Space.com, 27 Mar. 2026

There are 246 of them, drawn from the everyday realms of agriculture, land surveying, and taxation. —Ross Andersen, The Atlantic, 27 Mar. 2026

Eligible economic development projects can include capital improvement projects, such as street- and skyway-level interior or exterior renovations, equipment purchases with a useful life of at least five years, and public realm improvements such as lighting, outdoor seating or public art. —Frederick Melo, Twin Cities, 27 Mar. 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