tenacious (
http://definr.com/tenacious)
adj 1: stubbornly unyielding; "dogged persistence"; "dour
determination"; "the most vocal and pertinacious of
all the critics"; "a mind not gifted to discover truth
but tenacious to hold it"- T.S.Eliot; "men tenacious
of opinion" [syn:
bulldog,
dogged,
dour,
pertinacious,
unyielding]
2: (of memory) having greater than average range; "a long
memory especially for insults"; "a tenacious memory" [syn:
long]
3: sticking together; "two coherent sheets"; "tenacious burrs"
[syn:
coherent]