The definition of a midterm election is a type of election that takes place during the midpoint of the President's four-year term. It is held two years after the Presidential election and is used to elect members of the House of Representatives, one-third of the Senate, and Governors in some states. Midterm elections provide an opportunity for the public to express their opinions on the current leadership and policies of the President and his administration. The public can use their votes to respond to the decisions made by the President and Congress, and can elect representatives who have different values and ideologies. Midterm elections can also be used to serve as a referendum on the President and his administration, as well as a way of holding them accountable. For example, in 2018, the midterm election was seen by some as a referendum on the Trump administration, with many voters voting in support of candidates who opposed the President's policies. In conclusion, midterm elections are an important part of the American political process and provide citizens with the opportunity to express their opinions and hold their elected leaders accountable.