Undefine

verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To make indefinite; to obliterate or confuse the definition or limitations of. transitive
  2. 2
    To remove the definition of; to return to an undefined state. transitive

Etymology

From un- + define.

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