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 (prō′tē-əs, -tyo͞os′)
n. Greek Mythology
A sea god who could change his shape at will.

[Latin Prōteus, from Greek.]


n. pl. pro·te·i (-tē-ī′)
Any of various gram-negative, rod-shaped bacteria of the genus Proteus, certain species of which are associated with human enteritis and urinary tract infections.

[New Latin Prōteus, genus name, from Latin, Proteus (the variability in the size of individual cells displayed by members of the genus being likened to the god's shape-shifting powers); see Proteus.]


(Classical Myth & Legend) Greek myth a prophetic sea god capable of changing his shape at will


(ˈproʊ ti əs, -tyus)

1. an ancient Greek sea god, noted for his ability to assume different forms and for his prophetic powers.
2. a person or thing that readily changes appearance, character, principles, etc.
3. (l.c.) any of several rod-shaped, aerobic bacteria of the genus Proteus, sometimes found as pathogens in the gastrointestinal and genitourinary tracts of humans.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Proteus - (Greek mythology) a prophetic god who served Poseidon; was capable of changing his shape at will
Greek mythology - the mythology of the ancient Greeks
2.Proteus - type genus of the Proteidae
amphibian genus - any genus of amphibians
olm, Proteus anguinus - European aquatic salamander with permanent external gills that lives in caves