1) Discreditably 2) Disgracefully 3) Dishonorably 4) Dishonourably 5) Ingloriously 6) Shamefully 
• (adv.) In an ignominious manner; disgracefully; shamefully; ingloriously.
Ig`no·min'i·ous·ly adverb In an ignominious manner; disgracefully; shamefully; ingloriously. 
ignominiously 1. Descriptive of a total loss of dignity and self-respect or an incurring of public disgrace. 2. A reference to a disgraceful act.
in a dishonorable manner or to a dishonorable degree