Tenacity

Noun

 * 1) The quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose.
 * 2) The quality of bodies which keeps them from parting without considerable force; cohesiveness; the effect of attraction; – as distinguished from brittleness, fragility, mobility, etc.
 * 3) The quality of bodies which makes them adhere to other bodies; adhesiveness; viscosity.
 * 4) 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.

Synonyms

 * retentiveness, persistency
 * cohesiveness
 * adhesiveness, viscosity

Antonyms

 * brittleness, fragility, mobility

Thesaurus
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