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tenacious

tuh-NAY-shuhs /təˈneɪ.ʃəs/

adjectiveC1GRESATCATUPSC

formalacademicjournalistic

Holding firm to a purpose, belief, or position; not readily letting go or giving up.

Implies a grip-like strength of resolve that refuses to detach under pressure.

The story behind the word. Derived directly from Latin 'tenere', meaning 'to hold'. The ancient Romans used 'tenax' for things that stuck tightly like glue or roots that clung to rocks. Over time, it described people whose determination was like iron jaws holding fast.

Word relationships

persistent: 'Persistent' refers to continuing over time; 'tenacious' emphasizes the strength of the hold or grip.
dogged: 'Dogged' suggests stubborn, untiring repetition, while 'tenacious' highlights immovable firmness.

irresolute: Uncertain or wavering in purpose.
yielding: Giving way easily under pressure or argument.

Commonly confused with

tenable: 'Tenable' means defensible in argument; 'tenacious' means holding fast relentlessly.

Word family

tenacity (noun): The quality of being determined and persistent.
tenaciously (adverb): In a tenacious or persistent manner.

Collocations

tenacious grip
tenacious defender
tenacious spirit
tenacious pursuit

Idioms & expressions

hold on like a bulldog

Example sentences

"The tenacious reporter spent three years investigating corporate fraud before breaking the story." Investogative Journalism
"Her tenacious focus on the research problems yielded a breakthrough in solar cell efficiency." Scientific inquiry

Memory hook

TENACIOUS people hold on as tightly as TEN ACES in a high-stakes poker hand. Tenacious = holding on like glue.

When not to use

Avoid when stubbornness is foolish or harmful; use 'stubborn' or 'obstinate' instead.

Fun facts

'Tenacious' shares the root 'tenere' with words like 'tentacle' (which holds things) and 'retain'.