dictionary · eo1.org

surprisal

Fetched 2026-10-26 (cache).

Synonyms: surprised, surprise, surprises, surmisal, surpris'd, surpriser, surprisals, subprimal, uprisal

Antonyms: surprised, surprise, surprises, surmisal, surpris'd, surpriser, surprisals, subprimal, uprisal

Related words from Datamuse; suggestions, not definitions.

Noun

  1. {{lb|en|obsolete|military}} A surprise [[attack]] or [[ambush]]; a sudden or unexpected assault. {{defdate|16th|19th c.}}
  2. {{lb|en|obsolete}} A sudden coming-upon someone or something unexpectedly or unawares. {{defdate|17th c.}}
  3. {{lb|en|obsolete}} A [[surprising]] event or occurrence. {{defdate|17th|19th c.}}
  4. {{lb|en|obsolete}} The feeling caused by being surprised; [[surprise]], [[shock]], [[amazement]]. {{defdate|17th|19th c.}}
  5. An information measure as equal in [[bit]]s {{gloss|binary digits}} to the base-2 log of 1 over the probability, with the result that the number of choices equals 2<sup>''n''</sup> where ''n'' is the number of bits.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.