Inflictive is an adjective that is often used to describe something that causes harm or pain, but if you want to convey this idea in a different way, there are several synonyms you can use. One of the most common alternatives is 'hurtful', which suggests that something is causing physical or emotional pain or distress. 'Harmful' is a similar option, but it is more frequently used to describe the negative effects of something over time. Another possible synonym is 'damaging', which implies that something is causing harm or destruction to a person or thing. Other possible alternatives include 'destructive', 'injurious', 'painful' and 'traumatic'.