In a barbarous manner.

of or relating to a barbarian; uncivilized, uncultured or uncouth

(said of language) Not classical or pure. / Uncivilized, uncultured. / Mercilessly or impudently violent or cruel, savage. / Like a barbarian, especially in sound; noisy, dissonant.

A barbaric act. / The condition of existing barbarically. / A word hybridizing Ancient Greek and Latin or other heterogeneous roots.

(transitive) To cause to become savage or uncultured. / (intransitive) To become savage or uncultured. / (intransitive) To adopt a foreign or barbarous mode of speech.

(uncountable) The state of being barbarous; brutality / (countable) A barbaric act / (uncountable) crudity / (countable) A crude act

In a barbaric manner.

The state or quality of being barbarous.

present participle of barbarize

simple past tense and past participle of barbarize