The word "unaffected" means not influenced or changed by something. Antonyms of this word include words like affected, influenced, changed, and impacted. These words indicate that something has had an effect on an individual or situation. Other antonyms of "unaffected" include emotional, sentimental, sensitive, and reactive. These words suggest that someone or something is easily influenced by their emotions, and that their perspective or reaction may be biased or exaggerated. Conversely, words like practical, logical, indifferent, and unemotional may be considered antonyms of "unaffected" as they indicate a calm and rational approach.