Mockheroics is a term used to describe behavior that mimics the actions of a heroic figure without actually achieving anything substantial. Some antonyms for mockheroics might include genuine, authentic, honest, or earnest. These words suggest a sincerity of action, rather than the insincerity and superficiality that often accompany mockheroics. Other antonyms might include modest, humble, or unassuming, which connote a sense of self-awareness and a lack of pretension. Essentially, any words that imply a lack of showiness or exaggeration could be considered antonyms for mockheroics. The opposite of mockheroics is a genuine display of courage, strength, or prowess achieved through hard work, sacrifice, or genuine skill.