Synonyms of the word

atrocious

• adj. Frightful, evil, cruel, or monstrous.
• adj. Offensive or heinous.
• adj. Very bad; abominable, disgusting.

abominable

• adj. Worthy of, or causing, abhorrence, as a thing of evil omen; odious in the utmost degree; very hateful;…
• adj. (obsolete) Excessive, large (used as an intensifier).
• adj. Very bad or inferior.
• adj. Disagreeable or unpleasant.

alarming

• v. present participle of alarm.
• adj. causing apprehension, fear or alarm; frightening.

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.

bad

• adj. Not good; unfavorable; negative.
• adj. Not suitable or fitting.
• adj. Seemingly non-appropriate, in manners, etc.
• adj. Unhealthy.
• adj. Tricky; stressful; unpleasant.
• adj. Evil; wicked.
• adj. Faulty; not functional.
• adj. (of food) Spoiled, rotten, overripe.
• adj. (of breath) Malodorous, foul.
• adj. (informal) Bold and daring.
• adj. (hip-hop slang) good, superlative.
• adj. (of a need or want) Severe, urgent.
• adv. (now colloquial) Badly.
• n. (slang) Error, mistake.
• n. (countable, uncountable, economics) An item (or kind of item) of merchandise with negative value; an unwanted…
• adj. (slang) Fantastic.
• v. (archaic) Alternative past tense of bid. See bade.
• v. (Britain, dialect, transitive) To shell (a walnut).

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.

evil

• adj. Intending to harm; malevolent.
• adj. Morally corrupt.
• adj. Unpleasant, as in 'an evil smell'.
• adj. Producing or threatening sorrow, distress, injury, or calamity; unpropitious; calamitous.
• adj. (obsolete) Having harmful qualities; not good; worthless or deleterious.
• adj. (computing, programming, slang) undesirable; harmful; bad practice.
• n. Moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good.
• n. Anything which impairs the happiness of a being or deprives a being of any good; anything which causes…
• n. (obsolete) A malady or disease; especially in the phrase king's evil (scrofula).

flagitious

• adj. (literary) (of people) Guilty of terrible crimes; wicked, criminal.
• adj. (literary) Extremely brutal or wicked; heinous, monstrous.

frightful

• adj. (obsolete) Full of fright, whether.
• adj. Full of something causing fright, whether.

grievous

• adj. Causing grief, pain or sorrow.
• adj. Serious, grave, dire or dangerous.

heinous

• adj. Totally reprehensible.

horrible

• n. A thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as…
• n. A person wearing a comic or grotesque costume in a parade of horribles.
• adj. Causing horror; terrible; shocking.
• adj. Tremendously bad.

horrifying

• v. present participle of horrify.
• adj. Tending to inspire horror; that horrifies; horrific.

monstrous

• adj. Hideous or frightful.
• adj. Enormously large.
• adj. Freakish or grotesque.
• adj. Of, or relating to a mythical monster; full of monsters.
• adj. (obsolete) Marvellous; strange.

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.

terrible

• adj. Dreadful; causing alarm and fear.
• adj. Formidable, powerful.
• adj. Intense; extreme in degree or extent.
• adj. Unpleasant; disagreeable.
• adj. Very bad; lousy.

ugly

• adj. Displeasing to the eye; not aesthetically pleasing.
• adj. Displeasing to the ear or some other sense.
• adj. Offensive to one's sensibilities or morality.
• adj. Ill-natured; crossgrained; quarrelsome.
• adj. Unpleasant; disagreeable; likely to cause trouble or loss.
• n. (slang, uncountable) Ugliness.
• n. (slang) An ugly person or thing.
• n. (Britain, informal, dated) A shade for the face, projecting from a bonnet.
• v. (transitive, nonstandard) To make ugly (sometimes with up).

unspeakable

• adj. Incapable of being spoken or uttered; unutterable; ineffable; inexpressible.
• adj. Unfit or not permitted to be spoken or described.
• adj. Extremely bad or objectionable.