memoryless

M3E1M3O1R1Y4L1E1S1S1

adjective

Without a memory or memories.

OriginProto-Germanic *lausaz ← Proto-Indo-European *lewHs- ← English memory →
UncommonScrabble 17
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Meanings

adjectivememoryless (not comparable)
  1. not comparableWithout a memory or memories.

    Now the wide and vacant blurrings of my early life thicken in my mind. All goes wholly memoryless to me now. It may have been that about that time I grew sick with some fever, […]

    1852, Herman Melville, Pierre; or The Ambiguities
  2. not comparablemathematicsOf a probability distribution, such that any derived probability from a set of random samples is distinct and has no information (i.e. "memory") of earlier samples.

Origin

  1. Englishmemory
  2. Proto-Indo-European*lewh₁-
  3. Proto-Indo-European*lewHs-
  4. Proto-Germanic*leusaną
  5. Proto-Germanic*lausaz
  6. Englishmemoryless

From memory + -less.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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