Synonyms of the word

bitter

• adj. Having an acrid taste (usually from a basic substance).
• adj. Harsh, piercing or stinging.
• adj. Hateful or hostile.
• adj. Cynical and resentful.
• n. (usually in the plural bitters) A liquid or powder, made from bitter herbs, used in mixed drinks or as…
• n. A type of beer heavily flavored with hops.
• n. (nautical) A turn of a cable about the bitts.
• v. To make bitter.
• n. (computing, informal, in combination) A hardware system whose architecture is based around units of the…

acerb

• adj. Sour, bitter, and harsh to the taste, as unripe fruit.
• adj. Sharp and harsh in expressing oneself.

acerbic

• adj. Tasting sour or bitter.
• adj. Sharp, harsh, biting.

acid

• adj. Sour, sharp, or biting to the taste; tart; having the taste of vinegar.
• adj. (figuratively) Sour-tempered.
• adj. Of or pertaining to an acid; acidic.
• adj. (music) Denoting a musical genre that is a distortion (as if hallucinogenic) of an existing genre, as…
• n. A sour substance.
• n. (chemistry) Any of several classes of compound having the following properties:-.
• n. (slang) lysergic acid diethylamide (LSD).

acrid

• adj. Sharp and harsh, or bitter and not to the taste; pungent.
• adj. Causing heat and irritation; corrosive.
• adj. Caustic; bitter; bitterly irritating.

acrimonious

• adj. angry, acid, and sharp in delivering argumentative replies: bitter; mean-spirited; sharp in language or…

ale

• n. (dated) A beer made without hops.
• n. A beer produced by so-called warm fermentation and not pressurized.
• n. A festival in English country places, so called from the liquor drunk.

biting

• v. present participle of bite.
• n. The action of the verb to bite.
• n. An occurrence of a bite.
• adj. Causing a stinging sensation.
• adj. Cutting or incisive.
• adj. Tending to bite.

bitingly

• adv. In a biting manner.

bitterly

• adv. In a bitter manner.

bitterness

• n. The quality of having a bitter taste.
• n. The quality of feeling bitter; acrimony, resentment.

blistering

• v. present participle of blister.
• adj. Causing blisters.
• adj. Very hot.
• adj. Harsh or corrosive.
• adj. Very aggressive.
• adj. Very fast.
• n. (medicine, veterinary) The practice of forming blisters on the skin, to promote blood flow and aid healing.

caustic

• adj. Capable of burning, corroding or destroying organic tissue.
• adj. (of language, etc.) Sharp, bitter, cutting, biting, and sarcastic in a scathing way.
• n. Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys…
• n. (optics, computer graphics) The envelope of reflected or refracted rays of light for a given surface or…
• n. (mathematics) The envelope of reflected or refracted rays for a given curve.
• n. (informal, chemistry) Caustic soda.

hostile

• adj. Belonging or appropriate to an enemy; showing the disposition of an enemy; showing ill will and malevolence,…
• adj. Aggressive, antagonistic.
• adj. Of a hostile takeover.
• n. (chiefly in the plural) An enemy.

intolerable

• adj. Not tolerable; not capable of being borne or endured; not proper or right to be allowed; insufferable;…
• adj. Extremely offensive or insulting.

painful

• adj. Causing pain or distress, either physical or mental.
• adj. Afflicted or suffering with pain (of a body part or, formerly, of a person).
• adj. Requiring effort or labor; difficult, laborious.
• adj. (now rare) Painstaking; careful; industrious.
• adj. (informal) Very bad, poor.

piercingly

• adv. In a piercing manner.

resentful

• adj. Inclined to resent, who tends to harbor resentment, when wronged.
• adj. Harboring resentment, full of resentment, at a given moment.

sorrowful

• adj. (of a person) Full of sorrow; exhibiting sorrow; sad; dejected; distressed; distraught.
• adj. Producing sorrow; exciting grief; mournful; lamentable; grievous.

sulfurous

• adj. Containing sulfur.
• adj. (chemistry) Of, or relating to sulfur, especially in its lower oxidation state.

sulphurous

• adj. (chiefly British spelling) Alternative spelling of sulfurous.

taste

• n. One of the sensations produced by the tongue in response to certain chemicals (Wikipedia).
• n. (countable and uncountable) A person's implicit set of preferences, especially esthetic, though also culinary,…
• n. Personal preference; liking; predilection.
• n. (uncountable, figuratively) A small amount of experience with something that gives a sense of its quality…
• n. A kind of narrow and thin silk ribbon.
• v. (transitive) To sample the flavor of something orally.
• v. (intransitive) To have a taste; to excite a particular sensation by which flavour is distinguished.
• v. To experience.
• v. To take sparingly.
• v. To try by eating a little; to eat a small quantity of.
• v. (obsolete) To try by the touch; to handle.

tasty

• adj. Having a pleasant or satisfying flavor; delicious.
• adj. (obsolete) Having or showing good taste; tasteful.
• adj. (slang) Appealing; when applied to persons, sexually appealing.
• adj. (Britain, informal) Skillful; highly competent.
• adj. (Britain, informal) Potentially violent.

unbearable

• adj. so unpleasant or painful as to be unendurable.

unendurable

• adj. Not to be endured; intolerable.

unpleasant

• adj. Not pleasant.

venomous

• adj. Full of venom.
• adj. Toxic; poisonous.
• adj. Noxious; evil.
• adj. Malignant; spiteful; hateful.
• adj. Producing venom (poison usually injected into an enemy or prey by biting or stinging) in glands or accumulating…
• adj. powerful.

virulent

• adj. (chiefly medicine, of a disease or disease-causing agent) Highly infectious, malignant, or deadly.
• adj. Hostile to the point of being venomous; intensely acrimonious.

vitriolic

• adj. (chemistry, dated) Of or pertaining to vitriol; derived from or resembling vitriol; vitriolous.
• adj. (figuratively) Bitterly scathing, caustic.