<p><strong>Noun</strong></p><ul><li>any composite herb or low shrub of the genus <em>Artemisia</em></li><li>a bitter, aromatic plant, <em>A. absinthium</em>, of the Old World, used as a vermifuge and a tonic, and as an ingredient in absinthe</li><li>something bitter, grievous, or extremely unpleasant</li></ul>