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

Like the power lines that have sparked so many disastrous wildfires, the two realms of fire are crossing, often with lethal consequences. —Stephen Pyne, Smithsonian Magazine, 29 Jan. 2025

Lok takes place in a black-and-white fantasy realm, and your goal is to help little worm-like creatures progress through each level. —Andrew Webster, The Verge, 25 Jan. 2025

My understanding is that Rantanen was willing to take less than what a July 1 market number looked like to stay in Colorado, but even so, his number was not in the same realm as where the Avs were. —Pierre Lebrun, The Athletic, 25 Jan. 2025

Shots of Ali sleeping may initially appear like casual transitions, but the significance of these naps and the realm of dreams as another space where people get to experience other lives bookend the picture. —Carlos Aguilar, Variety, 25 Jan. 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

Kids Definition

realm

noun

ˈrelm 

1

: kingdom sense 1

2

: field of influence or activity

the realm of art