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

In the ever-changing realm of college athletics, a newish position turns 3 years old this June. —Shreyas Laddha, Kansas City Star, 22 Feb. 2025

Further down in the bubble realm, Kansas State’s surge may have run out of steam in the Mountain time zone. —Jim Root, The Athletic, 20 Feb. 2025

In the realm of gut health, fiber is full of main character energy. —Erica Sloan, SELF, 19 Feb. 2025

The firm turned to other real estate and tax realms, including launching a new division to buy and sell Georgia state film tax credits. —Peter Elkind, ProPublica, 18 Feb. 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