Definition of memoryless in US English:

memoryless

adjective

  • 1Of a person, attribute, etc.: having no memory.

  • 2Of, relating to, or designating systems (especially sequences of random variables), in which the value of each element or state is independent of those that have gone before.

Origin

Mid 19th century; earliest use found in James Russell Lowell (1819–1891), author and diplomat. From memory + -less.

Pronunciation

memoryless

/ˈmɛm(ə)rɪlɪs/