Accidental success is a phrase used to describe a positive outcome or achievement that occurred unintentionally or without specific effort. Synonyms for accidental success could include serendipity, stroke of luck, fluke, chance success, fortuitous achievement, or random triumph. These words suggest that the success was unexpected and unplanned, but still very much appreciated. While the term accidental may imply a lack of control over the achievement, these synonyms can help to highlight the positive aspects of the outcome and emphasize the potential for success in unexpected places. Whether by chance or by design, success is always cause for celebration.