proteus

P3R1O1T1E1U1S1
UK/ˈpɹəʊ.tjuːs/US/ˈpɹoʊ.ti.əs/

noun

Any of many gram-negative bacteria, of the genus Proteus, several of which are responsible for human infections.

Meanings

proteus1

nounproteus (plural protei)

plural protei

  1. Any of many gram-negative bacteria, of the genus Proteus, several of which are responsible for human infections.

Proteus2

proper noun
  1. Greekhuman sciencesA sea god who could change his shape at will.

    "I am known as the Old Man of the Sea, but back in my day, people called me Proteus. "No way!" Egan said. "This guy had Poseidon's job before Poseidon."

    2026, James Patterson and Chris Tebbetts, Dr. Zeus, page 209
  2. astronomyThe sixth satellite of the planet Neptune.

Origin

proteus · noun

From the genus name.

Full word history & related roots →

Proteus · proper noun

  1. Ancient GreekΠρωτεύς
  2. Ancient GreekΠρωτεύς
  3. EnglishProteus

Borrowed from Ancient Greek Πρωτεύς (Prōteús).

Full word history & related roots →

Translations

Ancient Greek Πρωτεύς
  • Πρωτεύς (Prōteús)mythology
Bulgarian Протей, Протей
  • Протей (Protej)mythology
  • Протей (Protej)moon
Catalan Proteu, Proteu
  • Proteumythology
  • Proteumoon
Finnish Proteus
  • Proteusmoon
French Protée, Protée
  • Protéemythology
  • Protéemoon
German Proteus, Proteus
  • Proteusmythology
  • Proteusmoon
Greek Πρωτέας
  • Πρωτέας (Protéas)mythology
Italian Proteo, Proteo
  • Proteomythology
  • Proteomoon
Latin Prōteus
  • Prōteusmythology
Portuguese Proteu, Proteu
  • Proteumythology
  • Proteumoon
Russian Проте́й, Проте́й
  • Проте́й (Protéj)mythology
  • Проте́й (Protéj)moon
Spanish Proteo, Proteo
  • Proteomythology
  • Proteomoon

Rhymes & wordplay

Anagrams

Cite this entry
APA

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

MLA

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

Chicago

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

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