next generation noun 2adjective 2forms 1 noun2 •The succeeding generation. •The next in line; upgrade. adjective2 •Expected or intended to supersede present-day techniques.Mr. Smith dominated the competition by using next generation wool-spinning machines that were 20% faster. •Expected or intended to supersede present-day technology.Mr. Smith dominated the competition by using next-generation wool-spinning machines that were 20% faster. formsnext generations