TENAC'ITY, noun [Latin tenacitas, from teneo, to hold.] 1. Adhesiveness; that quality of bodies which makes them stick or adhere to others; glutinousness; stickiness; as the tenacity of oils, of glue, of tar, of starch and the like. 2. That quality of bodies which keeps them from parting; without considerable force; cohesiveness; the effect of attraction; opposed to brittleness or fragility.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI