In a dishonorably manner or to a dishonorable degree; SYN. ingloriously, ignominiously, discreditably, shamefully, dishonorably, dishonourably.

In a harmful manner.

In an ignominious manner; disgracefully; shamefully; ingloriously.

Disreputably; shamefully, indecently; villainously

In a nefarious manner or to a nefarious degree.

In a shameful manner.

In a villainous manner.

Giving offense to moral sensibilities and injurious to reputation; SYN. scandalous, shameful, shocking.

Grossly wicked; guilty of heinous crimes; heinous; villainous.

1. Able or likely to do harm.
2. Causing or capable of causing harm.

ETYM Latin ignominiosus: cf. French ignominieux.
1. Marked with ignominy; in curring public disgrace; dishonorable; shameful.
2. Deserving ignominy; despicable.
3. Humiliating; degrading.

ETYM Pref. in- not + famous: cf. Latin infamis. Related to Infamy.
1. Having a reputation of the worst kind; held in abhorrence; guilty of something that exposes to infamy; base; notoriously vile; detestable.
2. Causing or producing infamy; deserving detestation; scandalous to the last degree.

ETYM Latin nefarius, from nefas crime, wrong; ne not + fas divine law; akin to fari to speak. Related to No, and Fate.
Extremely wicked; SYN. villainous.
Evil.

1. Bringing shame or disgrace; injurious to reputation; disgraceful.
2. Exciting the feeling of shame in others; indecent