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

Stanton’s disdain for immigrants led her into emergent realms of pseudoscience that would transform into eugenics; her rhetoric about women strayed from the principle of gender equality into essentialist ideas about women’s feminine specialness. —Moira Donegan, New Yorker, 13 Mar. 2026

In the national security realm, where experience and source development are vital, the loss of institutional knowledge and community relationships can be a crushing blow, said Montoya, the former FBI official. —Eric Tucker, Chicago Tribune, 13 Mar. 2026

Frederiksen said the university also is working within a fast-changing realm of changes in the workforce, what employers are seeking and fields that are transforming rapidly. —Helen I. Bennett, Hartford Courant, 13 Mar. 2026

While the adaptation marks Bunnie’s first major foray into the world of film, her husband has recently explored the theatrical realm. —Kyle Denis, Billboard, 12 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