dewy /ˈdjuː.i/ adjective4 •Covered by dew.The dewy grass was too slick for football. •Having the quality of bearing droplets of water.In the dewy fog, it was cold and damp. •Fresh and innocent.Thy dewy looks sink in my breast Thy gentle words stir poison there — 1814 •Resembling or characteristic of dew. formsdewier · more dewy · dewiest · most dewy