Etymology

unsubstantiated

U1N1S1U1B3S1T1A1N1T1I1A1T1E1D2

Today it means: Lacking substantiation; without evidence. Full definition →

English substantiated ← Middle English un- ← Old English un-
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unsubstantiated · adjective1

  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. Englishsubstantiated
  9. English todayunsubstantiated

From un- + substantiated.

unsubstantiated · verb2

From unsubstantiate + -ed.

Etymology from Wiktionary, CC BY-SA 4.0.