tenacious

[tuh-ney-shuhs]

adjective

holding fast; characterized by keeping a firm hold (often followed by of): a tenacious grip on my arm; tenacious of old habits.
highly retentive: a tenacious memory.
pertinacious, persistent, stubborn, or obstinate.
adhesive or sticky; viscous or glutinous.
holding together; cohesive; not easily pulled asunder; tough.

Origin of tenacious

First recorded in 1600–10; tenaci(ty) + -ous
Related formste·na·cious·ly, adverbte·na·cious·ness, nouno·ver·te·na·cious, adjectiveo·ver·te·na·cious·ly, adverbo·ver·te·na·cious·ness, nounun·te·na·cious, adjectiveun·te·na·cious·ly, adverbun·te·na·cious·ness, noun

Synonyms for tenacious

3. opinionated, dogged. 4. clinging.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for tenaciously

tenacious

adjective

holding or grasping firmly; forcefula tenacious grip
retentivea tenacious memory
stubborn or persistenta tenacious character
holding together firmly; tough or cohesivetenacious cement
tending to stick or adheretenacious mud
Derived Formstenaciously, adverbtenaciousness or tenacity (tɪˈnæsɪtɪ), noun

Word Origin for tenacious

C16: from Latin tenāx, from tenēre to hold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tenaciously

tenacious

adj.

c.1600, from Latin tenaci-, from tenax "holding fast" (see tenacity). Related: Tenaciously; tenaciousness.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for tenaciously

tenacious

[tə-nāshəs]

adj.

Clinging to another object or surface; adhesive.
Holding together firmly; cohesive.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.