discreditably
1. [ adverb ] in a dishonorably manner or to a dishonorable degree
Synonyms: ingloriously ignominiously shamefully dishonorably dishonourably disgracefully
Examples:

"his grades were disgracefully low"

Related terms: black black black black discreditable dishonorable dishonorable black dishonorable
Similar spelling:   discreditable
  discredited
  discreetly
  discordant
  discordantly