hurtful UK /ˈhɜːtfʊl/US /ˈhɜɹtfʊl/ adjective2 •Tending to impair or damage; injurious; occasioning loss or injury.A good principle not rightly understood may prove as hurtful as a bad. — 1649 •Tending to hurt someone's feelings; insulting; lacerating.Better yet, maybe she should call and apologize for all of the rude comments she spewed in the midst of her anger—hurtful comments that should never be spoken between a wife and her husband. — 2006 formsmore hurtful · most hurtful