From Longman Dictionary of Contemporary Englishvegetateveg‧e‧tate /ˈvedʒɪteɪt/ verb [intransitive] NOT DO somethingto 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.→ See Verb table
Examples from the Corpus
vegetate• When I retired I didn't want to just vegetate.• After frittering away her fortune, she vegetated alone in her Paris flat.• Either you vegetate and look out the window or you get busy and try to effect change.• Resting, sleeping and generally vegetating are obvious ways of unwinding.• If I must vegetate, I'd rather do so at home, in spite of the undoubtedly superior ménage here.• It is specially important not to let him vegetate in front of the television for long periods.Origin vegetate (1600-1700) Medieval Latin past participle of vegetare; → VEGETABLE