Also found in: Thesaurus, Medical.
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.
te·nac′i·ty (tə-năs′ĭ-tē), te·na′cious·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||tenaciousness - persistent determination|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.