What is 'adolescence'? This is a question we put to 28 teenagers aged 14-18 this summer. On the 28th of June 2018, a group of teenagers and researchers came together at a workshop at UCL to share their views and opinions about what adolescence means to them. The result was a day of likely conversations, brilliant ideas and stimulating reflections. This summary report outlines the key views and opinions shared with us during the workshop, focusing on two themes: Meanings of 'Adolescence' and Communicating Adolescence.