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Definition of Atrabilious
1. Adjective. Irritable as if suffering from indigestion. 
Definition of Atrabilious
1. a. Melancholic or hypochondriac; atrabiliary.
Definition of Atrabilious
1. [adj]
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1. Adjective. Irritable as if suffering from indigestion. 
1. a. Melancholic or hypochondriac; atrabiliary.
1. [adj]