| Date: | 1600-1700 |
| Language: | Latin |
| Origin: | tenax, from tenere 'to hold' |
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te‧na‧cious

1 determined to do something and unwilling to stop trying even when the situation becomes difficult :
a tenacious negotiator
a tenacious negotiator2 tenacious beliefs, ideas etc continue to have a lot of influence for a long time :
a tenacious religious tradition that is still practised in Shinto temples
a tenacious religious tradition that is still practised in Shinto temples —tenaciously adverb
—tenacity
noun [uncountable]
noun [uncountable]