English to English

adverb (r)

• used as intensifiers(adv.all)

  Synonym:
  awful, frightfully, terribly
  

  source: wordnet30
• of a dreadful kind(adv.all)

  Synonym:
  dreadfully, horribly
  

  source: wordnet30
• in a terrible manner(adv.all)

  Synonym:
  abominably, abysmally, atrociously, rottenly, terribly
  

  source: wordnet30
• In an awful manner; in a manner to fill with terror or awe; fearfully; reverently.(adverb)

  source: webster1913