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

Renowned New York wedding and event planner Lindsay Landman estimates that the challenges of this particular wedding could push fees into the realm of 25%, which would mean at least a $5 million bill for planning alone. — Mary Whitfill Roeloffs, Forbes.com, 2 July 2026

Horror remains one of the few realms where difficult and disturbing stories are an asset, but underrepresented creators should still have more reach. — Alison Foreman, IndieWire, 2 July 2026

The metaphor of a ‘wall of separation’ At the same time, religious reformers were employing concepts of walls, hedges or other barriers to ensure that the secular and religious realms remained apart. — Steven K. Green, The Conversation, 2 July 2026

The adventure ends in January 2028, the company says, limiting PS titles purely to the digital realm. — Andrew Nusca, Fortune, 2 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