bitter >> /ˈbɪdər/
Definition: [noun] Beer that is strongly flavored with hops and has a bitter taste.
Example: a pint of bitter
Definition: [noun] 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.
Example: a dash of bitters
Definition: [adjective] Having a sharp, pungent taste or smell; not sweet.
Example: the raw berries have an intensely bitter flavor
Definition: [adjective] (of people or their feelings or behavior) angry, hurt, or resentful because of one's bad experiences or a sense of unjust treatment.
Example: I don't feel jealous or bitter
Definition: [adjective] (often used for emphasis) painful or unpleasant to accept or contemplate.
Example: today's decision has come as a bitter blow
Definition: [adjective] (of wind, cold, or weather) intensely cold.
Example: a bitter wind blowing from the east