Synonyms of the word

unpleasant

• adj. Not pleasant.

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.

afflictive

• adj. That causes physical or mental pain.

awful

• adj. Oppressing with fear or horror; appalling, terrible.
• adj. (now rare) Inspiring awe; filling with profound reverence or respect; profoundly impressive.
• adj. Struck or filled with awe.
• adj. (obsolete) Terror-stricken.
• adj. Worshipful; reverential; law-abiding.
• adj. Exceedingly great; usually applied intensively.
• adj. Very bad.
• adv. (colloquial, US, Canada) Very, extremely.

beastly

• adj. (Britain) Pertaining to, or having the form, nature, or habits of, a beast.
• adj. (Britain) Characterizing the nature of a beast; contrary to the nature and dignity of man; brutal; filthy.
• adj. (Britain, dated) Abominable.
• adv. Like a beast; brutishly.

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…

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.

displeasing

• adj. Unattractive, dislikable, objectionable.
• v. present participle of displease.

dour

• adj. Stern, harsh and forbidding.
• adj. Unyielding and obstinate.
• adj. Expressing gloom or melancholy; sullenly unhappy.

dreadful

• adj. (obsolete) Full of dread, whether.
• adj. Full of something causing dread, whether.
• n. A shocker: a report of a crime written in a provokingly lurid style.
• n. A journal or broadsheet printing such reports.
• n. A shocking or sensational crime.

embarrassing

• v. present participle of embarrass.
• n. The action of the verb to embarrass.
• adj. Causing embarrassment; leading to a feeling of uncomfortable shame or self-consciousness.

forbidding

• adj. highly unpleasant or disagreeable.
• adj. threatening or menacing.
• v. present participle of forbid.
• n. The act by which something is forbidden; a prohibition.

god-awful

• adj. (US, slang) Extremely awful, unpleasant or dreadful.

grim

• adj. dismal and gloomy, cold and forbidding.
• adj. rigid and unrelenting.
• adj. ghastly or sinister.
• adj. (Britain, slang) disgusting; gross.

harsh

• adj. Unpleasantly rough to the touch or other senses.
• adj. Severe or cruel.
• v. (intransitive, slang) To negatively criticize.
• v. (transitive, slang) to put a damper on (a mood).

hellish

• adj. Causing pain, discomfort or distress.

hot

• adj. (of an object) Having a high temperature.
• adj. (of the weather) Causing the air to be hot.
• adj. (of a person or animal) Feeling the sensation of heat, especially to the point of discomfort.
• adj. (of a temper) Easily provoked to anger.
• adj. Feverish.
• adj. (of food) Spicy.
• adj. (informal) Very good, remarkable, exciting.
• adj. Stolen.
• adj. (incomparable) Electrically charged.
• adj. (informal) Radioactive.
• adj. (slang, of a person) Very physically and/or sexually attractive.
• adj. (slang) Sexual; involving sexual intercourse or sexual excitement.
• adj. (slang) Sexually aroused; horny.
• adj. Popular; in demand.
• adj. Very close to finding or guessing something to be found or guessed.
• adj. Performing strongly; having repeated successes.
• adj. Fresh; just released.
• adj. Uncomfortable, difficult to deal with; awkward, dangerous, unpleasant.
• adj. (slang) Used to emphasize the short duration or small quantity of something.
• v. (with up) To heat; to make or become hot.
• v. (with up) To become lively or exciting.

ill-natured

• adj. Having a bad nature, whether.

mortifying

• v. present participle of mortify.
• adj. Causing mortification; extremely embarrassing.
• n. mortification; abstinence.

nasty

• adj. (now chiefly US) Dirty, filthy.
• adj. Contemptible, unpleasant (of a person).
• adj. Objectionable, unpleasant (of a thing); repellent, offensive.
• adj. Indecent or offensive; obscene, lewd.
• adj. Spiteful, unkind.
• adj. (chiefly Britain) Awkward, difficult to navigate; dangerous.
• adj. (chiefly Britain) Grave or dangerous (of an accident, illness etc.).
• adj. (slang, chiefly US) Formidable, terrific; wicked.
• n. (informal) Something nasty.
• n. (euphemistic, preceded by "the") Sexual intercourse.

offensive

• adj. Causing offense; arousing a visceral reaction of disgust, anger, or hatred.
• adj. Relating to an offense or attack, as opposed to defensive.
• adj. (team sports) Having to do with play directed at scoring.
• n. (countable, military) An attack.
• n. (uncountable) The posture of attacking or being able to attack.

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.

rebarbative

• adj. Irritating, repellent.

repellant

• adj. Alternative form of repellent.
• n. Alternative form of repellent.

repellent

• adj. tending or able to repel; driving back.
• adj. repulsive, inspiring aversion.
• adj. resistant or impervious to something.
• n. someone who repels.
• n. a substance used to repel insects.
• n. a substance or treatment for a fabric etc to make it impervious to something.

rough

• adj. Having a texture that has much friction. Not smooth; uneven.
• adj. Approximate; hasty or careless; not finished.
• adj. Turbulent.
• adj. Difficult; trying.
• adj. Crude; unrefined.
• adj. Violent; not careful or subtle.
• adj. Loud and hoarse; offensive to the ear; harsh; grating.
• adj. Not polished; uncut; said of a gem.
• adj. Harsh-tasting.
• n. The unmowed part of a golf course.
• n. A rude fellow; a coarse bully; a rowdy.
• n. (cricket) A scuffed and roughened area of the pitch, where the bowler's feet fall, used as a target by…
• n. The raw material from which faceted or cabochon gems are created.
• n. A quick sketch, similar to a thumbnail, but larger and more detailed. Meant for artistic brainstorming…
• n. (obsolete) Boisterous weather.
• v. To create in an approximate form.
• v. (ice hockey) To commit the offense of roughing, i.e. to punch another player.
• v. To render rough; to roughen.
• v. To break in (a horse, etc.), especially for military purposes.
• adv. In a rough manner; rudely; roughly.

sharp

• adj. Able to cut easily.
• adj. (colloquial) Intelligent.
• adj. Terminating in a point or edge; not obtuse or rounded.
• adj. (music) Higher than usual by one semitone (denoted by the symbol ♯ after the name of the note).
• adj. (music) Higher in pitch than required.
• adj. Having an intense, acrid flavour.
• adj. Sudden and intense.
• adj. (colloquial) Illegal or dishonest.
• adj. (colloquial) Keenly or unduly attentive to one's own interests; shrewd.
• adj. Exact, precise, accurate; keen.
• adj. Offensive, critical, or acrimonious.
• adj. (colloquial) Stylish or attractive.
• adj. Observant; alert; acute.
• adj. Forming a small angle; especially, forming an angle of less than ninety degrees.
• adj. Steep; precipitous; abrupt.
• adj. (mathematics, of a statement) Said of as extreme a value as possible.
• adj. (chess) Tactical; risky.
• adj. Piercing; keen; severe; painful.
• adj. Eager or keen in pursuit; impatient for gratification.
• adj. (obsolete) Fierce; ardent; fiery; violent; impetuous.
• adj. Composed of hard, angular grains; gritty.
• adj. (phonetics, dated) Uttered in a whisper, or with the breath alone; aspirated; unvoiced.
• adv. To a point or edge; piercingly; eagerly; sharply.
• adv. (not comparable) Exactly.
• adv. (music) In a higher pitch than is correct or desirable.
• n. (music) The symbol ♯, placed after the name of a note in the key signature or before a note on the staff…
• n. (music) A note that is played a semitone higher than usual; denoted by the name of the note that is followed…
• n. (music) A note that is sharp in a particular key.
• n. (music) The scale having a particular sharp note as its tonic.
• n. (usually in the plural) Something that is sharp.
• n. A sharp tool or weapon.
• n. (medicine) A hypodermic syringe.
• n. (medicine, dated) A scalpel or other edged instrument used in surgery.
• n. A dishonest person; a cheater.
• n. Part of a stream where the water runs very rapidly.
• n. A sewing needle with a very slender point, more pointed than a blunt or a between.
• n. (in the plural) middlings.
• n. (slang, dated) An expert.
• n. A sharpie (member of Australian gangs of the 1960s and 1970s).
• v. (music) To raise the pitch of a note half a step making a natural note a sharp.
• v. To play tricks in bargaining; to act the sharper.

sore

• adj. Causing pain or discomfort; painfully sensitive.
• adj. Sensitive; tender; easily pained, grieved, or vexed; very susceptible of irritation.
• adj. Dire; distressing.
• adj. (informal) Feeling animosity towards someone; annoyed or angered.
• adj. (obsolete) Criminal; wrong; evil.
• adv. (archaic) Very, excessively, extremely (of something bad).
• adv. Sorely.
• n. An injured, infected, inflamed or diseased patch of skin.
• n. Grief; affliction; trouble; difficulty.
• n. A group of ducks on land. (See also: sord).
• n. A young hawk or falcon in its first year.
• n. A young buck in its fourth year.
• v. (transitive) To mutilate the legs or feet of (a horse) in order to induce a particular gait.

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.

tart

• adj. Sharp to the taste; acid; sour.
• adj. (of wine) high or too high in acidity.
• adj. (figuratively) Sharp; keen; severe.
• n. A type of small open pie, or piece of pastry, containing jelly or conserve; a sort of fruit pie.
• n. (Britain, slang) A prostitute.
• n. (Britain, slang, derogatory) By extension, any woman with loose sexual morals.
• v. To practice prostitution.
• v. To practice promiscuous sex.
• v. To dress garishly, ostentatiously, whorishly, or sluttily.

ungrateful

• adj. Not grateful; not expressing gratitude; a dissatisfied person.

unhappy

• adj. Not happy; sad.
• adj. Not satisfied; unsatisfied.
• adj. (chiefly dated) Not lucky; unlucky.
• adj. (chiefly dated) Not suitable; unsuitable.
• n. An individual who is not happy.

unpalatable

• adj. unpleasant to the taste.
• adj. (by extension) unpleasant or disagreeable.

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.