Flourish/ˈflɜːrɪʃ/ Definition 1 of 5Pro Tip 1/2Positive Growth Use 'flourish' to describe something growing healthily, especially plants, businesses, or ideas. Creativity flourishes when given freedom. Pro Tip 2/2Metaphorical Use 'Flourish' can be used metaphorically to express someone's success or growth in personal qualities. Her confidence flourished after the speech.