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English Lexicon

Decompensation

/ˌdiːˌkɒmpɛnˈseɪʃən/
nounCEFR C2 (Proficient)Top #45000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The failure of a physiological or mental mechanism to maintain normal function or manage stress.

    "Under extreme chronic stress, the patient began to show signs of psychological decompensation."
  2. 2

    In cardiology, the failure of the heart to maintain adequate circulation, often leading to heart failure.

    "Sudden physical exertion triggered acute cardiac decompensation in the elderly patient."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the English prefix 'de-' (meaning down, reversal, or removal) combined with 'compensation', which stems from the Latin 'compensare' (to weigh against, counterbalance). The medical and psychological term emerged in the mid-20th century to describe the failure of physiological or psychological defense mechanisms to maintain normal function under stress.

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