overnourished UK /ˈəʊvənʌɹɪʃt/US /ˈoʊvɚnʌɹɪʃt/ adjective2 •Excessively nourished. •(euphemistic) Overweight.Lawn vacuums will clean up grass cuttings either as behind-the-mower units or self-propelled or push-type outfits that look like an overnourished Hoover. — 1972 formsmore overnourished · most overnourished