Definition of a thriller

In this lesson we all brainstormed what we thought was the definition of a thriller; we thought of examples such as, butterfly effect, the number 23, silence of the lambs and the misery. Collectively we decided that the main features of a thriller was the feeling of isolation,they usually start of slow paced to build tension and suspense, taking the idea of using people everyday fears and phobias to mentally unsettle them.