Bitter
Part of speech: noun
Definition: (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.
Part of speech: adjective
Definition: Having an acrid taste (usually from a basic substance) Harsh, piercing or stinging Hateful or hostile Cynical and resentful
Example sentence: It is not my nature, when I see a people borne down by the weight of their shackles - the oppression of tyranny - to make their life more bitter by heaping upon them greater burdens; but rather would I do all in my power to raise the yoke than to add anything that would tend to crush them.
Acid
Part of speech: adjective
Definition: Sour, sharp, or biting to the taste; tart; having the taste of vinegar.Sour-tempered.Of or pertaining to an acid; acidic.Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as in acid house, acid jazz, acid rock.
Part of speech: noun
Definition: A sour substance.Any of a class of water-soluble compounds, having sour taste, that turn blue litmus red, and react with some metals to liberate hydrogen, and with bases to form salts.Any compound that easily donates protons.Any compound that can accept a pair of electrons to form a covalent bond.lysergic acid diethylamide
Example sentence: Every formula of every religion has in this age of reason, to submit to the acid test of reason and universal assent.