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.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
tenaciously[tɪˈneɪʃəslɪ] adv → tenacemente
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995