1. a domain in which something is dominant

- the untroubled kingdom of reason

Similar word(s): land, realm

Definition categories: state, area, arena, domain, field, orbit, sphere

2. a country with a king as head of state

Definition categories: location, country, land, state

3. the domain ruled by a king or queen

Similar word(s): realm

Definition categories: location, demesne, domain, land

4. a monarchy with a king or queen as head of state

Definition categories: group, monarchy

5. the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia

Definition categories: group, taxon

6. a basic group of natural objects

Definition categories: group, grouping

Sentences with kingdom as a noun:

- the kingdom of thought, the kingdom of the dead