Tenacious

lepki

(clinging to an object or surface; adhesive)

spoisty

(holding together; cohesive)

spójny

(holding together; cohesive)

trwały

(having a good memory; retentive)

uparty

(unwilling to yield from a point of view etc; dogged)

wytrwały

(unwilling to yield from a point of view etc; dogged)

zawzięty

(unwilling to yield from a point of view etc; dogged)

zwarty

(holding together; cohesive)