The word "more uninjurious" suggests that something is less harmful or damaging than something else. Its antonyms, on the other hand, imply the opposite. "More harmful," "more injurious," and "more dangerous" are all antonyms for "more uninjurious." These words indicate that something is highly detrimental and should be avoided. Other antonyms for "more uninjurious" include "toxic," "deadly," and "lethal." As such, it is important to be aware of the antonyms of "more uninjurious" to understand the potential risks associated with specific situations or objects.