Meaning

noun a strong emotion; a feeling that is oriented toward some real or supposed grievance

noun the state of being angry

noun belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)

originFrom Middle English anger (“grief, pain, trouble, affliction, vexation, sorrow, wrath”), from Old Norse angr, ǫngr (“affliction, sorrow”) (compare Old Norse ang, ǫng (“troubled”)), from Proto-Germanic *angazaz (“grief, sorrow”), from Proto-Indo-European *h₂enǵʰ- (“narrow, tied together”). Cognate with Danish anger (“regret, remorse”), Norwegian Bokmål anger (“regret, remorse”), Swedish ånger…

Etymology from Wiktionary, CC BY-SA 3.0