Manifest/ˈmænɪfest/ Definition 1 of 4Pro Tip 1/2Emotional Display Use 'manifest' to describe an outer expression of inner feelings or qualities. Her nervousness manifested in her fidgeting hands. Pro Tip 2/2Invisible Becomes Visible 'Manifests itself' indicates something hidden or internal becoming visible or recognized. The tension in the room manifested itself when nobody spoke.