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a. Extremely persistent in adhering to or doing something; stubborn or relentless: "tenacious defenders of their harsh and pitiless land" (Dee Brown).
b. Characterized by extreme persistence; relentless or enduring: tenacious detective work; tenacious superstitions.
2. Holding together firmly; cohesive: a tenacious material.
3. Clinging to another object or surface; adhesive: tenacious lint.
4. Tending to retain; retentive: a tenacious memory.

[From Latin tenāx, tenāc-, holding fast, from tenēre, to hold; see ten- in Indo-European roots.]

te·na′cious·ly adv.
te·nac′i·ty (tə-năs′ĭ-tē), te·na′cious·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tenaciousness - persistent determinationtenaciousness - persistent determination    
determination, purpose - the quality of being determined to do or achieve something; firmness of purpose; "his determination showed in his every movement"; "he is a man of purpose"


References in periodicals archive ?
Felton's professional plight, as well as his tenaciousness, were reported by Ed Sullivan, the longtime New York Daily News syndicated columnist and iconic TV variety show host.
Better known for his tenaciousness than his patience, Piazzolla's deference to his collaborator's silence finally broke.
Rebecca Wade St Ives Chambers 'She combines tenaciousness and intelligence with fantastic tactical nous.
When Banks finally gets Richards (Shaun Dooley) in for questioning, he brings out the big guns and satisfactorily slams him with all his macho Yorkshire angry tenaciousness.
WHIS dynamism in attack and his tenaciousness in defence.
The Parc des Princes showdown was always going to be about Wales' superior class, notably Bale and Aaron Ramsey, versus Northern Ireland's defensive organisation, resilience and tenaciousness in the tackle, coupled with who handled the nerves of the occasion best.
In other instances, important questions were posed, but perhaps not with sufficient tenaciousness.
School Games Organiser for Calderdale Colin Crowther said:"This has been a fantastic opportunity for disabled young people and it is brilliant to see their tenaciousness, commitment and passion.
BECOMING THE BEDROCK OF AN EVOLVING TEAM The team that has shown so much promise over the last couple of months have managed to match tenaciousness with a touch more flair and poise on the ball.
We shot in Detroit and there was a real kind of underlying spirit and a tenaciousness and pride that the people of Detroit have about their city.
They may be late, but CSCEC ME's five towers at the City of Lights are testament to the tenaciousness of both itself and Tamouh.