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
• arena
• bailiwick
• barony
• business
• circle
• demesne
• department
• discipline
• domain
• element
• fief
• fiefdom
• field
• firmament
• front
• game
• kingdom
• line
• precinct
• province
• specialty
• sphere
• terrain
• walk

Examples of realm in a Sentence

new discoveries in the realm of medicine

in political and legal realms

Recent Examples on the Web

Until recently, China's entries in the realm of spaceflight patches often lacked the originality found in patches from the West. —ArsTechnica, 17 May 2025

Still, the show’s tone offers audiences something atypical in the realm of sci-fi action. —Aramide Tinubu, Variety, 16 May 2025

Whereas as most games in the series bounce between Mars-adjacent space stations, Earth, and various dimensions that constitute takes on heaven and hell, The Dark Ages is set in another realm, populated by humans at war with demonic forces. —Christopher Cruz, Rolling Stone, 15 May 2025

Snoop Dogg’s longevity, work ethic and versatility can’t be matched by many — if any — in the hip-hop realm. —Michael Saponara, Billboard, 15 May 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