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

The capacity to feel deeply, especially in the realm of love, is one of the most transcendently human experiences that mortal beings can have. — Goth Shakira, Los Angeles Times, 23 July 2026

Su’s comments, at an event to promote the company’s new hardware, underscore the extent to which the growing power of AI is causing novel flashpoints and challenges that stretch across the technology industry and geopolitical realms. — Sebastian Herrera, Fortune, 23 July 2026

Lancelot, noticeably weary, impassive, and preoccupied atop an equally weary black horse, follows the sorcerer, while Merlin leads him up the path into the realm of shadows, out of the frame to the left. — Literary Hub, 22 July 2026

Though the song is heavily acoustic, its distorted guitar solos hail squarely from the realm of harder rock, and the artificial choirs that seep in toward the end seem to call out to the symphonic citadels of the Norwegian black metallers. — Sam Goldner, Pitchfork, 19 July 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