Pronunciation: (fool'sum, ful'-),[key] —adj. 1. offensive to good taste, esp. as being excessive; overdone or gross: fulsome praise that embarrassed her deeply; fulsome décor. 2. disgusting; sickening; repulsive: a table heaped with fulsome mounds of greasy foods. 3. excessively or insincerely lavish: fulsome admiration. 4. encompassing all aspects; comprehensive: a fulsome survey of the political situation in Central America. 5. abundant or copious.