The definition of a hypochondriac is a person who always thinks something is wrong with him or who is abnormally worried about his health.(noun)
A person who fears that every ache or sniffle is a sign of a life-threatening disease is an example of a hypochondriac.
See hypochondriac in Webster's New World College Dictionary
Origin: Fr hypocondriaque < Gr hypochondriacus
See hypochondriac in American Heritage Dictionary 4
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