institutionalized

Short definition from Wiktionary

Verb

1. 1
   simple past and past participle of institutionalize

Adjective

1. 1
   Having been established as an institution.
2. 2
   Having been committed to an institution, such as a prison or an insane asylum.
3. 3
   Having become dependent after a long time in, and unable to function outside of an institution, especially a prison.