to kingdom come Definition

kingdom
noun

1. A region, state or people ruled, or previously ruled, by a king or queen.

Thesaurus: realm, domain, dominion, principality, province, sphere, suzerainty, commonwealth, territory, tract, sway, dynasty, sovereignty.
2. biol.
In taxonomy: any of the divisions (usually reckoned as five) corresponding to the highest rank in the classification of plants and animals, eg Animalia (animals) or Fungi (fungi).
3. The domain of, or area associated with, something.

Example: the kingdom of the imagination

Idiom: to kingdom come (till kingdom come)

Into the next world.
Example: blow them all to kingdom come

Until the coming of the next world; for ever.
Example: wait till kingdom come

Etymology: Anglo-Saxon cyningdom.