An increase in size or amount that occurs naturally without external intervention.

Unplanned or unintentional development, often seen in business or social contexts.

अनियोजित विकास

English Usage: The spontaneous growth of the startup culture in the city surprised many investors.

Hindi Usage: शहर में स्टार्टअप संस्कृति की अनियोजित विकास ने कई निवेशकों को चौंका दिया।