Englishvegetate
verb
it is important not to let him vegetate in front of the television:
do nothing, idle, be inactive, languish, laze (about), laze (around), lounge (about), lounge (around), loll (about), loll (around), loaf (about), loaf (around), slouch (about), slouch (around);
go to seed, degenerate, moulder, stagnate;
informal hang around, hang about, hang round, veg out;
British, informal mooch about, mooch around, slummock;
North American, informal bum around, bat around, lollygag.
vegetate Oxford Dictionary of English