Polyalphabetic

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Describing a substitution cipher in which plaintext letters in different positions are enciphered using different substitution alphabets. not-comparable

Etymology

From poly- + alphabetic.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.