Etymology

unimpressedness

U1N1I1M3P3R1E1S1S1E1D2N1E1S1S1

Today it means: A lack of impression; the state of being unimpressed. Full definition →

English unimpressed ← Middle English un- ← Old English un-
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The story

  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. Englishimpressed
  9. Englishunimpressed
  10. English todayunimpressedness

From unimpressed + -ness. Attested since the 19th century.

Etymology from Wiktionary, CC BY-SA 4.0.