Knock Sharply is an action that involves making a loud, abrupt sound on a door or other surface. The term can be broken down into three crossword solutions: DERIDE (6 letters), RAP (3 letters), and JOLT (4 letters). DERIDE means to mock or ridicule someone or something, RAP is a sharp sound made by knocking or tapping, and JOLT is a sudden, brief shock or shake. Together, these words describe the action of Knock Sharply.