impressionless

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adjective

unimpressed or unaffected

OriginProto-Germanic *lausaz ← Proto-Indo-European *lewHs- ← English impression →
Scrabble 18
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Meanings

adjectiveimpressionless (comparative more impressionless, superlative most impressionless)

comparative more impressionless · superlative most impressionless

  1. unimpressed or unaffected
  2. not susceptible

Origin

  1. Proto-Indo-European*h₁én
  2. Proto-Italic*en
  3. Proto-Italic*en-
  4. Latinin-
  5. Proto-Indo-European*per-?
  6. Proto-Indo-European*pres-
  7. Proto-Italic*pres-
  8. Latinpremō
  9. Latinimprimō
  10. Latinimpressiō
  11. Old Frenchimpression
  12. Englishimpression
  13. Proto-Indo-European*lewh₁-
  14. Proto-Indo-European*lewHs-
  15. Proto-Germanic*leusaną
  16. Proto-Germanic*lausaz
  17. Englishimpressionless

From impression + -less.

Full word history & related roots →

Rhymes & wordplay

Anagrams

permissionless
Cite this entry
APA

impressionless. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/impressionless

MLA

“impressionless.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/impressionless. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “impressionless,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/impressionless.

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