Synonyms for tenacious

Adjective

1. bulldog, dogged, dour, pertinacious, tenacious, unyielding, stubborn (vs. docile)

usage: 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"

2. long, tenacious, retentive (vs. unretentive)

usage: (of memory) having greater than average range; "a long memory especially for insults"; "a tenacious memory"

3. coherent, tenacious, adhesive (vs. nonadhesive)

usage: sticking together; "two coherent sheets"; "tenacious burrs"