Main entry: tenacious, recollective, retentive, long
Definition: good at remembering
Usage: a retentive mind; tenacious memory
Antonyms: unretentive, forgetful, short
Definition: (of memory) deficient in retentiveness or range
Main entry: coherent, tenacious
Definition: sticking together
Usage: two coherent sheets; tenacious burrs
Antonyms: nonadhesive
Definition: not tending to adhere
Main entry: unyielding, dogged, dour, tenacious, persistent, pertinacious
Definition: stubbornly unyielding
Usage: 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
Antonyms: regenerate
Definition: reformed spiritually or morally
Antonyms: docile
Definition: willing to be taught or led or supervised or directed