The Collaborative International Dictionary
Discreditably
discreditable \dis*cred"it*a*ble\, a. Not creditable; injurious to reputation; disgraceful; disreputable. -- Dis*cred"it*a*bly, adv.
Wiktionary
discreditably
adv. In a discreditable manner
WordNet
discreditably
adv. in a dishonorably manner or to a dishonorable degree; "his grades were disgracefully low" [syn: disgracefully, ingloriously, ignominiously, shamefully, dishonorably, dishonourably]
Usage examples of "discreditably".
Sir Thomas’s fortune, though so discreditably acquired, was also useful.