Main entry: coherent, tenacious
Definition: sticking together
Usage: two coherent sheets; tenacious burrs
Main entry: tenacious, recollective, retentive, long
Definition: good at remembering
Usage: a retentive mind; tenacious memory
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