kakologeo denotes speaking abusively against someone, whether parents, the Way, or Jesus.

The attested uses describe hostile or abusive speech directed against a person or group: against father or mother, against the Way, and against Jesus. The same basic use appears in participial and infinitival forms, without clear evidence here for separate lexical senses.

1. Speaking abusively against someone · dominant

   In Matthew 15:4 and Mark 7:10, the present active participle occurs in the warning concerning someone who addresses father or mother abusively; the APB renders the clause "Whoever reviles father or mother." In Acts 19:9, the present active participle describes people speaking against the Way before the multitude, while Mark 9:39 uses the aorist active infinitive for speaking against Jesus after a mighty work done in his name; the APB renders these clauses "speaking evil of the Way" and "speak evil of me."

   Matthew 15:4Mark 7:10Acts 19:9Mark 9:39

In the Anselm Project Bible: The APB uses "reviles" in the sayings about father or mother and "speaking evil" or "speak evil" in the clauses about the Way and Jesus. These renderings confirm the clauses' hostile speech without establishing finer distinctions.