Found 2 items, similar to discreditably.
English → English (WordNet) Definition: discreditably discreditably adv : in a dishonorably manner or to a dishonorable degree; “his grades were disgracefully low” [syn: disgracefully, ingloriously, ignominiously, shamefully, dishonorably, dishonourably]
English → English (gcide) Definition: Discreditably discreditable \dis*cred"it*a*ble\, a. Not creditable; injurious to reputation; disgraceful; disreputable. -- Dis*cred"it*a*bly, adv. [1913 Webster]