English edit

Etymology edit

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

Noun edit

unimpressedness (uncountable)

  1. (rare) A lack of impression; the state of being unimpressed.
    • 1860, Sara Sophia Hennell, Thoughts in aid of faith:
      The very reception of impression at all, indeed, denotes the Unlikeness to a previous state of unimpressedness.

Synonyms edit