1. to rage in anger about someone or something. Gale was raving about Sarah and what she did.Sarah raved and raved about Gale's insufferable rudeness.
2. to sing the praises of someone or something. Even the harshest critic raved about Larry's stage success.Everyone was raving about your excellent performance.
To speak or write about something or someone with wild enthusiasm: The dinner guests raved about the roasted duck. The critic raved over the new movie.