Protean

//ˈpɹoʊ.tɪ.ən// adj, noun

adj, noun ·Moderate ·College level

Definitions

Noun
  1. 1
    A protein that has been slightly modified by water, dilute acid, or enzymes, but not modified to the extent of a metaprotein.
Adjective
  1. 1
    Exceedingly variable; readily assuming different shapes or forms.

    "An amoeba is a protean animalcule."

  2. 2
    Of or relating to the god Proteus in Greek mythology.
  3. 3
    Alternative letter-case form of Protean (of or relating to Proteus). alt-of
  4. 4
    Of or relating to the irregular Neptunian moon named for Proteus.
Adjective
  1. 1
    taking on different forms wordnet

Synonyms

All synonyms
multiformvariableable to adaptadaptableadjustableallotropic

Example

More examples

"Semantic equivalence is protean as well as fuzzy: what hoi polloi find equivalent may to cognoscenti be quite distinct."

Etymology

From Ancient Greek Πρωτεύς (Prōteús, literally “first”), the Greek warden of sea-beasts, renowned for his ability to change shape.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.