irretention

From ir- +‎ retention.

irretention

1. Absence of retention; the state or quality of being irretentive; lack of power to retain information

   Synonym: forgetfulness

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “irretention”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “irretention”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.