Origin: Latin suffix -ous
Tenacious has 4 different meanings across 1 category:
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"
"men tenacious of opinion"
Clinging to an object or surface; adhesive.
"The tenacious mud stuck stubbornly to my boots, making it impossible to get a good grip on the slippery path."