The word "un-injured" suggests that a person has not sustained any injuries or harm. Its antonyms, or opposites, convey the opposite meaning. The word "injured" expresses the state of being harmed or hurt. Therefore, antonyms for "un-injured" may include 'wounded,' 'hurt,' 'damaged,' 'injured,' 'bruised,' 'battered,' 'scarred,' 'impaired' and 'bleeding.' These are negative words that reflect a condition of suffering or pain. It is essential to be aware of the appropriate usage of antonyms, as incorrect usage can lead to miscommunication, misunderstandings, and confusion. Antonyms are crucial in language as they aid in understanding the deeper meaning of words.