2. Not easily broken; able to endure hardship; firm; strong;
as, tough sinews. --Cowper.
A body made of brass, the crone demands, . . . Tough
to the last, and with no toil to tire. --Dryden.
The basis of his character was caution combined with
tough tenacity of purpose. --J. A.
Symonds.
3. Not easily separated; viscous; clammy; tenacious; as,
tough phlegm.
4. Stiff; rigid; not flexible; stubborn; as, a tough bow.
So tough a frame she could not bend. --Dryden.
5. Severe; violent; as, a tough storm. [Colloq.] `` A tough
debate. '' --Fuller.
{To make it tough}, to make it a matter of difficulty; to
make it a hard matter. [Obs.] --Chaucer.