Injurious describes conduct that is harmful, insulting, insolent, or abusive toward others. Paul used the term of his former opposition to the Christian faith.
Definition
Injurious describes conduct that harms, insults, or treats another with insolent abuse. In older usage it conveyed both hurtfulness and insult.
Biblical Usage
Paul uses the term in 1 Timothy 1:13 of his former opposition to the Christian faith. The same Greek adjective is translated “insolent” in Romans 1:30 and “despiteful” in the King James Version.
Historical Bible Dictionaries
International Standard Bible Encyclopedia (ISBE)
<p>in-joo'-ri-us, in-ju'-ri-us (hubristes, "insolent"): In former usage, the word was strongly expressive of insult as well as hurtfulness. So in 1Ti 1:13. In Ro 1:30 the same adjective is translated "insolent" (the King James Version "despiteful").</p>