subkingdom

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noun

A taxonomic category below kingdom and above superphylum.

Similar
subregnum
OriginEnglish kingdom ← Middle English kingdom ← Old English cyningdōm →
UncommonScrabble 20
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Meanings

nounsubkingdom (plural subkingdoms)

plural subkingdoms

  1. biologyA taxonomic category below kingdom and above superphylum.
  2. uncommonA kingdom that is part of another kingdom, ruled by a subking.

Synonyms & antonyms

Similar
subregnum

Origin

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Proto-Indo-European*ǵenh₁-
  5. Proto-Germanic*kunją
  6. Proto-Germanic*kuningaz
  7. Proto-Indo-European*dʰeh₁-
  8. Proto-Indo-European*dʰóh₁mos
  9. Proto-Germanic*dōmaz
  10. Proto-Germanic*kuningadōmaz
  11. Proto-West Germanic*kuningadōm
  12. Old Englishcyningdōm
  13. Middle Englishkingdom
  14. Englishkingdom
  15. Englishsubkingdom

From sub- + kingdom.

Full word history & related roots →
Cite this entry
APA

subkingdom. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/subkingdom

MLA

“subkingdom.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subkingdom. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “subkingdom,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/subkingdom.

Source: subkingdom on Wiktionary, CC BY-SA 4.0.