What words describe stress?

The noun 'stress' is a singular, common noun, a Word for a thing.

The noun 'stress' is a concrete noun as a Word for a measurable pressure or tension exerted on an object.

The noun 'stress' is an abstract noun as a Word for a state of mental or emotional strain or tension.

The Word 'stress' is also a verb: stress, stresses, stressing, stressed.