simple past tense and past participle of bitter

(usually in the plural bitters) A liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic. / A type of beer heavily flavored with hops.

To make bitter.

(computing, informal, in combination) A hardware system whose architecture is based around units of the specified number of bits (binary digits).

plural of bitterant

A chemical that is added to a product to make it smell or taste bitter.

comparative form of bitter: more bitter

Having a strong, sharp taste that is not sweet.

Full of bitterness.

plural of bittering