unmyelinated

U1N1M3Y4E1L1I1N1A1T1E1D2

adjective

Not myelinated.

Opposite
myelinated
OriginEnglish myelinated ← Middle English un- ← Old English un- →
RareScrabble 18
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Meanings

adjectiveunmyelinated (not comparable)
  1. not comparableNot myelinated.

Synonyms & antonyms

adjective(of neurons) not myelinated

Opposite
myelinated

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishmyelinated
  9. Englishunmyelinated

From un- + myelinated.

Full word history & related roots →
Cite this entry
APA

unmyelinated. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unmyelinated

MLA

“unmyelinated.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unmyelinated. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “unmyelinated,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unmyelinated.

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