tenacious
adj//təˈneɪʃəs//fasthållande, fast, fasthängande, klibbig, seg, ihärdig, hårdnackad, orubblig, seglivad, ståndaktig, säker
Clinging to an object or surface; adhesive.
Unwilling to yield or give up; dogged.
Holding together; cohesive.
Having a good memory; retentive.