The phrase 'coming to nothing' typically means that something has failed or not been successful. Antonyms of this phrase can include words such as flourish, prosper, thrive, succeed, and prevail. These words signify positive outcomes and suggest that something is growing, advancing, or gaining momentum. Another set of antonyms for 'coming to nothing' includes expressions like fruition, consummation, completion, and accomplishment. These words emphasize the idea of achievements, accomplishments, and goals that have been fulfilled. Using appropriate antonyms, writers and speakers can easily convey the intended meaning and impact of their messages, depending on the context and tone of their communication.