ossified russian

• окостене́лый

  ossified, numb, stiff

• закостене́вший

  ossified, hardened, stiffened, rigid

  set in one's ways, hidebound, rigid, entrenched, conservative

• заскору́знувший

  hardened, stiff, chapped, rough, coarse, encrusted

  hardened (figurative), insensitive, set in one's ways, ossified

• косне́вший

  stagnant, ossified, rigid, hidebound

• костене́вший

  ossified, stiffened, rigid, numb

• окостене́вший

  ossified, stiff, rigid, numb

• окостенева́вший

  ossified, stiffened, rigid, hardened