expatiate

  1. Verb.  (context, now) To range at large, or without restraint.
  2. Verb.  To write or speak at length; to be copious in argument or discussion, to descant.
  3. Verb.  (obsolete) To expand; to spread; to extend; to diffuse; to broaden.

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This entry was last updated on RefTopia from its source on 3/20/2012.