1. (n.) The quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose.

2. (n.) That quality of bodies which keeps them from parting without considerable force; cohesiveness; the effect of attraction; -- as distinguished from brittleness, fragility, mobility, etc.

3. (n.) That quality of bodies which makes them adhere to other bodies; adhesiveness; viscosity.

4. (n.) The greatest longitudinal stress a substance can bear without tearing asunder, -- usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.

adhesiveness application assiduity assiduousness balkiness bigotry bottling up bulldog courage bulldog tenacity bullheadedness clabbering clamminess cling clotting coagulation cohesiveness colloidality commitment concentration consistency constancy corking up curdling decidedness decision decisiveness dedication definiteness determinateness determination determinedness devotion diligence dogged perseverance doggedness dogmatism doughiness durability earnestness endurance engrossment fanaticism fidelity firmness fixed mind fortitude gameness gaminess gelatinity gelatinousness gluelikeness gluiness glutinosity glutinousness grit grittiness gumlikeness gumminess hardheadedness hardihood hardiness hardness headstrongness heaviness holding holding in incrassation indefatigability industriousness industry inflexibility inflexible will infrangibility inhibition insistence insistency inspissation intolerance intransigence jellification jellylikeness keeping lastingness leatherlikeness lentor locking in loyalty maintenance mettlesomeness mucilaginousness mulishness nerviness obduracy obstinacy obstinateness opinionatedness overzealousness pastiness patience patience of Job permanence perseverance persistence persistency pertinaciousness pertinacity pigheadedness plodding pluckiness plugging power prehension preoccupation preservation purpose purposefulness relentlessness repression resilience resistance resoluteness resolution resolve resolvedness restiveness retainment retention retentiveness retentivity rigidity ropiness sand sedulity sedulousness self-will seriousness sincerity single-mindedness singleness of purpose slabbiness sliminess slogging snugness spissitude spunkiness stability stamina staunchness staying power steadfastness steadiness stick-to-itiveness stickiness stiff neck stiff-neckedness stiffness stodginess strength stringiness strongheadness stubbornness sulkiness sullenness suppression syrupiness tackiness tenaciousness thickening thickness tightness tirelessness total commitment toughness treacliness unbreakability unbreakableness uncompromisingness uncooperativeness unregenerateness unremittingness unswerving attention viscidity viscosity viscousness vitality will willfulness