1stress 
/ˈstrɛs/ noun
plural stress·es /ˈstrɛs/ noun 1 a [noncount] : a state of mental tension and worry caused by problems in your life, work, etc.
▪ She uses meditation as a way of reducing/relieving stress. ▪ Hormones are released into the body in response to emotional stress. ▪ He needs help with stress management. [=ways to deal with stress]
b : something that causes strong feelings of worry or anxiety [noncount] ▪ I'm sorry for being grumpy. I've been under (a lot of) stress at work lately. [count] ▪ She is dealing with the stresses of working full-time and going to school. ▪ He talked about the stresses and strains of owning a business. 2 : physical force or pressure [noncount] ▪ Carrying a heavy backpack around all day puts a lot of stress on your shoulders and back. ▪ To reduce the amount of stress on your back, bend your knees when you lift something heavy. ▪ The ship's mast snapped under the stress of high winds. [count] ▪ measuring the effects of stresses on the material 3 [noncount] : special importance or attention that is given to something
▪ The teacher laid/put stress on [=emphasized] the need for good study habits. 4 : greater loudness or force given to a syllable of a word in speech or to a beat in music [noncount] ▪ Stress falls on the first syllable of the word “language.” [count] ▪ Stresses fall on different beats in different parts of the song. ▪ The stress [=accent] is on the first syllable.
▪ She uses meditation as a way of reducing/relieving stress. ▪ Hormones are released into the body in response to emotional stress. ▪ He needs help with stress management. [=ways to deal with stress]
b : something that causes strong feelings of worry or anxiety [noncount] ▪ I'm sorry for being grumpy. I've been under (a lot of) stress at work lately. [count] ▪ She is dealing with the stresses of working full-time and going to school. ▪ He talked about the stresses and strains of owning a business.
▪ The teacher laid/put stress on [=emphasized] the need for good study habits.
