veg ‧ e ‧ tate /ˈvedʒəteɪt, ˈvedʒɪteɪt/ BrE AmE verb [intransitive]
[ Date: 1600-1700 ; Language: Medieval Latin ; Origin: past participle of vegetare ; ⇨ ↑ vegetable ]
to live without doing much physical or mental activity and to feel bored as a result:
I was determined when I retired that I wasn’t just going to vegetate.