<p><strong>Noun:</strong></p><ul><li>harshness or sharpness of tone, temper, or manner; severity; acrimony: The cause of her anger did not warrant such asperity.</li><li>Synonyms: astringency, bitterness, acerbity.</li><li>Antonyms: cheerfulness, affability.</li><li>hardship; difficulty; rigor: the asperities of polar weather.</li><li>roughness of surface; unevenness.</li><li>something rough or harsh.</li></ul>