The definition of stress by Wikipedia is as follows: "… the consequences of the failure of a human or animal body to respond appropriately to emotional or physical threats to the organism, whether actual or imagined".
The important words in this definition are
If our body is not able to respond to the threats in the surrounding environment, we have a problem. We have a serious problem because if our body is not strong and flexible enough this inevitably will affect both our personal and professional development.
Britannica give the following stress definition: “… in psychology and biology, any strain or interference that disturbs the functioning of an organism. The human being responds to physical and psychological stress with a combination of psychic and physiological defenses. If the stress is too powerful, or the defenses inadequate, a psychosomatic or other mental disorder may result”
The Longman Dictionary of Contemporary English gives the following stress definition: ”… A state of worry resulting from pressure caused by the problems of living, too much work etc …”
Stress is the physical and psychological effects we experience as a result of the way we react to changes in the surrounding environment.
Different people react in their own way to stress. Thus it is really difficult to work out a uniform definition of stress.
Find out other interesting definitions of stress on the stress quotes page under the "What is stress?" section
It may sound strange but you need stress in your life. Stress adds flavor to it, makes it exciting and interesting. This is the so called positive stress.
The problems you complain from come because of TOO MUCH stress, which affects your physical and emotional balance. This is the so called distress. Find out here if it is worth the efforts to deal with stress completely
If we talk about positive stress the definition of stress is the tension, which makes you mobilize and achieve the best you are able to. This is the impulse which makes you face and overcome the challenges of your daily round.
If we are constantly in stressful situations and can not find the way to sort them out, our body reacts in a specific way, which can seriously affect our overall health.