usage: (psychology) a state of mental or emotional strain or suspense; "he suffered from fatigue and emotional tension"; "stress is a vasoconstrictor"
3. stress, focus, emphasis, accent
usage: special emphasis attached to something; "the stress was more on accuracy than on speed"
4. stress, strain, difficulty
usage: difficulty that causes worry or emotional tension; "she endured the stresses and strains of life"; "he presided over the economy during the period of the greatest stress and danger"- R.J.Samuelson
5. stress, force
usage: (physics) force that produces strain on a physical body; "the intensity of stress is expressed in units of force divided by units of area"