/
tɪˈneɪʃəs/
adj.
- not readily relinquishing something; keeping a firm hold.
- persisting in existence:
a tenacious illness.
Derivative
- tenaciously adv.
- tenaciousness n.
- tenacity
/tɪˈnasɪti/
n.
Etymology
C17: from L. tenax, tenac- (from tenere ‘to hold’) + -ious.