Definition: to grow and flourish. Synonyms: grow, thrive, rise, blossom, bloom, develop, flourish, sprout, proliferate, swell, increase. Antonyms: diminish, decrease, shrink. Tips: To burgeon means to grow or to produce new growth. Burgeon was originally used when discussing growth in nature, such as burgeoning (blossoming, sprouting) plant life. The verb burgeon and its related adjective burgeoning are often used in business and commerce to describe growth in the marketplace. Usage Examples: The buds I planted last fall will burgeon into beautiful flowers come spring.