<p><strong>Noun</strong></p><ul><li>something that is put in.</li><li>the act or process of putting in.</li><li>the power or energy supplied to a machine.</li><li>the current or voltage applied to an electric or electronic circuit or device.</li><li>Compare output (def 4).</li><li>Computers: data to be entered into a computer for processing.</li><li>the process of introducing data into the internal storage of a computer.</li><li>contribution of information, ideas, opinions, or the like: Before making a decision we need your input.</li><li>the available data for solving a technical problem.</li><li>Scot: a monetary contribution, as to charity.</li></ul><p><strong>Adjective</strong></p><ul><li>of or relating to data or equipment used for input: The goal is to reduce input costs.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) inputted or input, inputting: Computers: to enter (data) into a computer for processing.</li><li>to contribute (ideas, information, or suggestions) to a project, discussion, etc.</li></ul>