ingrown

adjective

1. having grown into the flesh: an ingrown toenail.
2. grown within or inward.

adjective

1. (esp of a toenail) grown abnormally into the flesh; covered by adjacent tissues
2. grown within; native; innate
3. excessively concerned with oneself, one’s own particular group, etc
4. ingrained

adj.

1. Grown abnormally into the flesh.