noun

1. (usually in the plural bitters) A liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic.

2. A type of beer heavily flavored with hops.

3. A turn of a cable about the bitts.

Synonyms: EPA, English pale ale

verb

1. To make bitter.

adjective

1. Having an acrid taste (usually from a basic substance).

   “The coffee tasted bitter.”

2. Harsh, piercing or stinging.

3. Hateful or hostile.

   “They're bitter enemies.”

Synonyms: jaded