Akademik

Malaise
A vague feeling of discomfort, one that cannot be pinned down but is often sensed as "just not right." Malaise comes straight from the French who compounded it from "mal" (bad or ill) + "aise" (ease) = ill at ease.
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A feeling of general discomfort or uneasiness, an “out-of-sorts” feeling, often the first indication of an infection or other disease. [Fr. discomfort]

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mal·aise mə-'lāz, ma-, -'lez n an indefinite feeling of debility or lack of health often indicative of or accompanying the onset of an illness <fever, \malaise, and other flulike symptoms (Larry Thompson)>

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n.
a general feeling of being unwell. The feeling may be accompanied by identifiable physical discomfort and may indicate the presence of disease.

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mal·aise (mă-lāzґ) [Fr.] a vague feeling of bodily discomfort and fatigue.

Medical dictionary. 2011.