This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Roughness or harshness, as of surface, sound, or climate: the asperity of northern winters.

n. Severity; rigor.

n. A slight projection from a surface; a point or bump.

n. Harshness of manner; ill temper or irritability.

n. Roughness as of stone or weather.

n. Harshness, as of temper.

n. Something that is harsh and difficult to endure.

n. A part of a geological fault line that does not move.

n. Roughness of surface; unevenness; -- opposed to smoothness.

n. Roughness or harshness of sound; that quality which grates upon the ear; raucity.

n. Roughness to the taste; sourness; tartness.

n. Moral roughness; roughness of manner; severity; crabbedness; harshness; -- opposed to mildness.

n. Sharpness; disagreeableness; difficulty.

n. Roughness of surface; unevenness: opposed to smoothness.

n. Roughness of sound; harshness of pronunciation.

n. Harshness of taste; sourness.

n. Roughness or ruggedness of temper; crabbedness; bitterness; severity: as, to chide one with asperity; “asperity of character,” Landor.

n. Disagreeableness; unpleasantness; difficulty: as, “the acclivities and asperities of duty,” Barrow, Sermons, III. xlii.

n. Synonyms Acrimony, Harshness, etc. See acrimony.

n. harshness of manner

n. something hard to endure

"With all its merits, there are those who have thought that there was one thing in the declaration to be regretted; and that is, the asperity and anger with which it speaks of the person of the king; the industrious ability with which it accumulates and charges upon him all the injuries which the colonies had suffered from the mother country."

ill nature   

moroseness    acrimony    tartness    crabbedness    sourness    harshness    unevenness    raucity    severity    sharpness   

Charity    Verity    austerity    charity    clarity    dexterity    insularity    rarity    severity    unpopularity   

acerbity    sternness    moroseness    irascibility    harshness    vehemence    unevenness    haughtiness    irritability    sarcasm