verb \ˌdis-ə-ˈla\

: to refuse to allow (something) : to officially decide that (something) is not acceptable or valid

Full Definition of DISALLOW

transitive verb
:  to deny the force, truth, or validity of
:  to refuse to allow
dis·al·low·ance \-ən(t)s\ noun

Examples of DISALLOW

  1. The touchdown was disallowed because of a penalty.
  2. <disallowing the philosophical concept of free will>

First Known Use of DISALLOW

14th century


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