noun Beer that is strongly flavored with hops and has a bitter taste. Liquor that is flavored with the sharp pungent taste of plant extracts and is used as an additive in cocktails or as a medicinal substance to promote appetite or digestion.
adjective Having a sharp, pungent taste or smell; not sweet. (the raw berries have an intensely bitter flavor) (of people or their feelings or behavior) angry, hurt, or resentful because of one's bad experiences or a sense of unjust treatment. (I don't feel jealous or bitter) (often used for emphasis) painful or unpleasant to accept or contemplate. (today's decision has come as a bitter blow) (of wind, cold, or weather) intensely cold. (a bitter wind blowing from the east)