[syn: forte, loudly]
The Collaborative International Dictionary of English v.0.48:
Loudly \Loud"ly\, adv.
   In a loud manner. --Denham.
   [1913 Webster]
WordNet (r) 3.0 (2006):
loudly
    adv 1: 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" [syn: loudly, loud, aloud] [ant:
           quietly, softly]
    2: in manner that attracts attention; "obstreperously, he
       demanded to get service" [syn: obstreperously, loudly,
       clamorously]
    3: used as a direction in music; to be played relatively loudly
       [syn: forte, loudly] [ant: piano, softly]
Moby Thesaurus II by Grady Ward, 1.0:
47 Moby Thesaurus words for "loudly":
   aloud, clamantly, clamorously, deafeningly, demandingly,
   exactingly, exigently, exorbitantly, extortionately, firmly,
   forcefully, forcibly, forte, fortemente, fortissimo, heartily,
   imperviously, importunately, impregnably, in full cry, insistently,
   intensely, invincibly, invulnerably, irresistibly, loud, lustily,
   mightily, noisily, powerfully, pressingly, pungently, resistantly,
   resoundingly, ringingly, robustly, ruggedly, soundly, stalwartly,
   staunchly, stoutly, strongly, sturdily, unyieldingly, uproariously,
   urgently, vigorously