depression

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noun de·pres·sion \di-ˈpre-shən, dē-\

Definition of depression

  1. 1a astronomy :  the angular distance of a celestial object below the horizonb mathematics :  the size of an angle of depression

  2. 2 :  an act of depressing or a state of being depressed: such asa :  a pressing down :  lowering a depression of the tab keyb (1) :  a state of feeling sad :  dejection anger, anxiety, and depression (2) :  a mood disorder marked especially by sadness, inactivity, difficulty in thinking and concentration, a significant increase or decrease in appetite and time spent sleeping, feelings of dejection and hopelessness, and sometimes suicidal tendencies bouts of depression suffering from clinical depressionc (1) :  a reduction in activity, amount, quality, or force a depression in trade (2) biology :  a lowering of physical or mental vitality or of functional activity

  3. 3 :  a place or part that is lower than the surrounding area :  a depressed place or part :  hollow The chicken pox left several depressions in her skin.

  4. 4 meteorology :  4low 1b a tropical depression

  5. 5 economics :  a period of low general economic activity marked especially by rising levels of unemployment heading towards a depression periods of economic depression

Examples of depression in a Sentence

  1. She has been undergoing treatment for severe depression.

  2. Many people suffer from clinical depression for years before being diagnosed.

  3. After several years of an economic boom, it looks as though we may be heading toward a depression.

  4. The photographs show depressions in the moon's surface.

Recent Examples of depression from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'depression'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of depression

see depress



DEPRESSION Defined for English Language Learners

depression

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noun

Definition of depression for English Language Learners

  • : a state of feeling sad

  • : a serious medical condition in which a person feels very sad, hopeless, and unimportant and often is unable to live in a normal way

  • : a period of time in which there is little economic activity and many people do not have jobs


DEPRESSION Defined for Kids

depression

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noun de·pres·sion \di-ˈpre-shən\

Definition of depression for Students

  1. 1 :  an act of pressing down depression of the brake pedal

  2. 2 :  a hollow place or part My foot made a depression in the sand.

  3. 3 :  a feeling of sadness Your support eased my depression.

  4. 4 :  a period of low activity in business with much unemployment


Medical Dictionary

depression

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noun de·pres·sion \di-ˈpresh-ən\

Medical Definition of depression

  1. 1:  a displacement downward or inward depression of the jaw

  2. 2:  an act of depressing or a state of being depressed: asa (1):  a state of feeling sad (2):  a mood disorder marked especially by sadness, inactivity, difficulty with thinking and concentration, a significant increase or decrease in appetite and time spent sleeping, feelings of dejection and hopelessness, and sometimes suicidal thoughts or an attempt to commit suicideb:  a reduction in functional activity, amount, quality, or force depression of autonomic function depression of red blood cells



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