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“acerbities”
1. Sourness of taste, with bitterness and astringency, as of unripe fruit.
2. Harshness, bitterness, or severity: "She had a reputation for expressing her temperamental acerbities in language which was very bitter and disturbing for those to whom she directed such acerbities."
2. Harshness, bitterness, or severity: "She had a reputation for expressing her temperamental acerbities in language which was very bitter and disturbing for those to whom she directed such acerbities."