Antonyms of adv loudly

1 of 3 senses of loudly

Sense 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")
       Antonym of softly (Sense 1)
      => softly, quietly -- (with low volume; "speak softly but carry a big stick"; "she spoke quietly to the child"; "the radio was playing softly")

Synonyms of adv loudly

3 senses of loudly

Sense 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")

Sense 2
obstreperously, loudly, clamorously -- (in manner that attracts attention; "obstreperously, he demanded to get service")

Sense 3
forte, loudly -- (used as a direction in music; to be played relatively loudly)