holding fast; clinging; hanging on; hard to throw off or get rid of
The virus is very tenacious, often surviving three or four treatments with antibiotics.
tenere (to hold) (Latin)
Retenacious. One who retains things. Sounds like ten Asians. Ten developing Asian countries if united together, cannot be pulled apart. TENANT - doesn't LET GO OFF a flat he gets, very easily. Tenants are tenacious A man named ROCKY was sent to jail for throwing acid at his wife. He came out of jail several years later and you know the first thing he did? He threw the acid again. This thing repeated 10 times. Finally he was called tenacious