adverb (r)

• without moderation; in an immoderate manner(adv.all)

  Example:
  He eats immoderately.
  

  Antonym:
  moderately
  

  source: wordnet30
• to a degree that exceeds the bounds or reason or moderation(adv.all)

  Synonym:
  unreasonably
  Antonym:
  fairly, jolly, middling, moderately, passably, pretty, reasonably, somewhat
  

  source: wordnet30
• In an immoderate manner; excessively.(adverb)

  source: webster1913