adj.

1. Expressing contemptuous reproach; scornful or abusive: opprobrious epithets.
2. Bringing disgrace; shameful or infamous: opprobrious conduct.

opprobriously op·pro'bri·ous·ly adv.

adjective

1. Of, relating to, or characterized by verbal abuse: abusive, contumelious, invective, scurrilous, vituperative. See attack/defend, attitude/good attitude/bad attitude/neutral attitude.
2. Meriting or causing shame or dishonor: discreditable, disgraceful, dishonorable, disreputable, ignominious, shameful. See respect/contempt/standing.

adj

Definition: abusive, hateful
Antonyms: complimentary, flattering, kind, nice, praising

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1) expressing contemptuous reproach: scurrilous  <opprobrious epithets>
2) bringing disgrace; shameful or infamous  <opprobrious conduct>

IN BRIEF: Expressing strong disapproval.

It was an opprobrious decision by the clan to torch the neighboring village.