HARD --- Describes wines with high acidity or tannic astringency; opposite of lush. Young wines may lose their hardness with time.
HARSH --- Excessively hard.
HERBACEOUS --- Possessing a distinctively grassy or herbal smell, particularly associated with some Cabernet Sauvignons, Merlots and Sauvignon Blancs. Sometimes erroneously used to describe vegetal character.
HOLLOW --- Used to describe a wine that lacks depth; shallow; empty.
HOT --- Causing a burning sensation when swallowed as a result of high alcohol content.
HYBRID --- The result of cross-breeding two species of grapes.