ingrown
adjective
- grown abnormally into the flesh
- innate or inveterate
- having the attention focused inward; having little exchange with others; insular
Wiktionary
Pronunciation: /ɪnˈɡɹəʊn/ / /ɪnˈɡɹoʊn/
adj
Etymology: From in- + grown.
- That has grown inwards or abnormally towards (a part of the body)
“an ingrown toenail”