Adverbial loudly has 3 senses
  1. loudly, loud, aloud - with relatively high volume; "the band played loudly"; "she spoke loudly and angrily"; "he spoke loud enough for those at the back of the room to hear him"; "cried aloud for help"
    Antonyms: softly, quietly
    Derived from adjective loud1
  2. obstreperously, loudly, clamorously - in manner that attracts attention; "obstreperously, he demanded to get service"
  3. forte, loudly - used as a direction in music; to be played relatively loudly