immense /ɪˈmɛns/adjective 3noun 1forms 3 adjective3 •Huge, gigantic, very large. •(informal) Major; to a great degree.The gallant young Indian dandies at home on furlough—immense dandies these—chained and moustached—driving in tearing cabs […] — 1847 •(informal) Supremely good. noun1 •(literary) Immense extent or expanse; immensity.The half of Asia is my prison-house, Myriads of convicts lost in its Immense— I look with terror to my crowning day. — 1882 formsimmenses · immenser · immensest