noun

realm

realm, kingdom, domain, sphere

The king ruled over a vast realm.

The king ruled over a vast realm.

He is a master in the realm of physics.

He is a master in the realm of physics.

((a/the)) realm ((of sth.)) a field or domain of activity or interest He is a master in the realm of physics.

Synonyms: kingdom, domain, sphere, field

From Old French 'reaume', from Latin 'regimen' (rule). Related to 'regal'.

Think of a 'royal realm' to remember the meaning of a kingdom.

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