The antonyms for the word "most unbothered" are several, including "disturbed," "distracted," "troubled," "anxious," "worried," "concerned," and "perplexed." These antonyms denote a state of being that is the opposite of unbothered, which suggests a lack of care or worry. Disturbed indicates agitation or disruption of peace, while distracted suggests the inability to focus or concentrate. Troubled denotes concern or distress, and anxious implies a feeling of unease or apprehension. Worried and concerned are similar, both indicating a state of unease or anxiety. Lastly, perplexed suggests confusion or uncertainty, adding another dimension to the range of antonyms.