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Definition of tenaciousness
tenaciousness
/təˈneɪ.ʃəs.nəs/
te · na · cious · ness
Adverb:tenaciously
•Adjective:tenacious
tenaciousness Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
4
tenaciousness Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The quality or state of being persistent, determined, and unwilling to give up easily.
Example
"Her remarkable tenaciousness in the face of repeated setbacks eventually led the research team to a major breakthrough."
2
The physical property of holding fast, clinging tightly, or resisting separation (such as the adhesiveness of glue or the grip of roots).
Example
"The tenaciousness of the ivy's roots made it nearly impossible to pull the vines off the old brick wall without damaging the mortar."
Synonyms
View all synonyms for tenaciousness Antonyms
View all antonyms for tenaciousnessWord Nuance & Usage
While "tenaciousness" is a valid and grammatically correct noun, native speakers strongly prefer its shorter Latinate equivalent, "tenacity," in almost all formal and everyday contexts.
• Rhymes for tenaciousness
Cite this Entry
Wordmom. (2026). Definition of Tenaciousness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/tenaciousness