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Added 28 September 2026

tenacious

/təˈneɪ.ʃəs/ adjective

In Latin: tenax Wiktionary

adjective Definition written for WordofTheDay.US. More about tenacious at Wordnik → Where our words come from →

Tending to keep a firm hold of something; persistent in maintaining, adhering to, or seeking something.
It took a tenacious effort to get the new business off the ground.

Origin

From Latin tenāx (“holding fast, clinging”), from tenēre (“to hold”), + -ious.

From Wiktionary, via Kaikki.org (CC BY-SA)

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