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").
The International Standard Bible Encyclopedia
Injurious
The International Standard Bible Encyclopedia, James Orr (1915). Public domain, from the CrossWire SWORD module.