Clue: Overachiever's disappointment, perhaps

Answer: AMINUS

Length: 6

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Similar Clues:

• Sounds of disappointment (AWS with 3 letters)
• Severe disappointment (BLOW with 4 letters)
• Christmas stocking disappointment (COAL with 4 letters)
• Sound of disappointment (e.g. GROAN with 5 letters)
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• Showed one's disappointment (MOANED with 6 letters)
• Slangy word of disappointment (NUTS with 4 letters)
• Exclamation of sudden disappointment (OHNO with 4 letters)
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