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

Born in Mexico to a left-wing Catalan family, Adela’s spiritual and intellectual formation came from her grandparents, while her emotional nourishment was the realm of the housekeeper/nanny Paula (Teresita Sánchez). — Jay Weissberg, Variety, 13 Aug. 2026

Since scientists only documented giant squid in their natural habitat for the first time in 2005, many mysteries about their lives remain in this deep ocean realm. — Laura Baisas, Popular Science, 13 Aug. 2026

Months earlier, Andy accidentally entered a magical portal, became a mage and saved the realm, but no one at home believed him. — Carly Tagen-Dye, PEOPLE, 13 Aug. 2026

All of them are concerned with legacy, particularly among fathers and daughters (Shakespeare had two and lost his only son), and all of them touch a realm beyond the mundane — a place of gods and dreams, oracles and enchantment. — Sara Holdren, Vulture, 12 Aug. 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