The antonyms for 'can't make the grade' could be 'exceed expectations', 'excel', 'outperform', 'succeed' and 'thrive'. These words express the opposite meaning and imply success, achievement, and progress. They suggest a positive approach towards challenges, hard work, and determination. By using these antonyms, one can convey a sense of confidence, resilience, and perseverance. These words encourage individuals to strive towards their goals, maximize their potential and reach new heights. They highlight the importance of self-belief, dedication, and commitment towards one's aspirations. Therefore, it's essential to learn and utilize these antonyms to foster a growth mindset and cultivate success in one's personal and professional life.