midterm /ˈmɪdˌtɚm/noun 2adjective 1forms 1 noun2 •A midterm school exam (i.e., halfway through the term).I only got a C on the midterm, so I really have to study for the final. •A midterm election.But White House officials have privately grown frustrated with her performance, as Republican midterm strategists raise alarms about the political damage. — 2026 adjective1 •Halfway through a term, or roughly so.The administration is suffering from the usual midterm drop in approval ratings. formsmidterms