The power to manipulate definitions. Sub-power of Meta Power Manipulation. Variation of Linguistic Manipulation.

Also Called

  • Definition Control
  • Meaning Control/Manipulation
  • Semantics Control


The user can manipulate definitions, the fundamental nature and identity of any word, name, person, place, power, object or concept. Changing the definition of something allows you to change its very nature (for example: change the definition of darkness so that darkness now produces light instead of absorbing it).

Since everything that exists is defined by something, the user can manipulate anything and everything they want.





  • Changing a single definition will also change the sub-definitions of related objects and concepts.
  • Beings that cannot be defined are highly resistant/immune to this power, such as an Omnipotent being.

Known Users

  • Halval (Ah! My Goddess)
  • Logos (Aquarion Logos)
  • Ichibē Hyōsube (Bleach)
  • Poets (Long Price Quartet)
  • Penemue (Valkyrie Crusade)


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