Bad

Synonyms Substandard, inferior, second-class, inadequate, not up to scratch, deficient, defective, shoddy, careless, dreadful, terrible, frightful, disgraceful, hopeless, laughable, miserable, third-rate, execrable, inept, ineffectual, rotten, useless, bum, appalling, pitiful, dire, the pits, chronic, pants, ropy, egregious, poor, second-rate, unsatisfactory, unacceptable, not up to par, imperfect, faulty, amateurish, negligent, awful, abominable, atrocious, deplorable, worthless, lamentable, sorry, diabolical, incompetent, inexpert, crummy, pathetic, woeful, lousy, abysmal, godawful, not up to snuff, duff, rubbish, a load of pants, and poxy.

Synonyms Inauspicious, adverse, inopportune, inappropriate, unfavourable, untoward, disadvantageous, difficult, unpropitious, unsuitable, unfortunate, and disastrous.

Synonyms Unpleasant, unwelcome, unfavourable, adverse, terrible, awful, distressing, parlous, disagreeable, unfortunate, unlucky, nasty, dreadful, grim, and regrettable.

Synonyms Severe, grave, grievous, dreadful, awful, dire, frightful, life-threatening, serious, critical, acute, terrible, ghastly, grim, shocking, and peracute.

Synonyms Harmful, detrimental, injurious, inimical, destructive, deleterious, unwholesome, damaging, undesirable, hurtful, dangerous, ruinous, and unhealthy.

Synonyms Wicked, immoral, morally wrong, base, depraved, dissolute, criminal, nefarious, dishonest, unscrupulous, crooked, dirty, sinful, evil, corrupt, reprobate, degenerate, amoral, villainous, iniquitous, dishonourable, unprincipled, bent, and dastardly.

Synonyms Injured, diseased, knackered, game, wounded, gammy, and crook.

Synonyms Ill, sick, ailing, sickly, afflicted, infirm, out of sorts, not in good shape, under/below par, bedridden, on the sick list, queasy, nauseated, feeble, diseased, off colour, not up to snuff, funny, iffy, lousy, groggy, at death's door, ropy, dicky, crook, seedy, unwell, not (very) well, poorly, peaky, indisposed, liverish, not oneself, not up to par, in a bad way, invalided, valetudinarian, nauseous, weak, frail, infected, under the weather, laid up, peculiar, crummy, rough, green around the gills, like death warmed up, grotty, wabbit, and queer.

Synonyms Rotten, decayed, decomposing, putrefied, mouldy, sour, rank, addled, worm-eaten, flyblown, putrefacient, off, decomposed, putrid, putrescent, mouldering, rancid, unfit for human consumption, maggoty, wormy, and putrefactive.

Synonyms Guilty, remorseful, ashamed, contrite, full of regret, repentant, shamefaced, apologetic, conscience-stricken, guilt-ridden, chastened, sorry, regretful, penitent, and self-reproachful.

Synonyms Invalid, counterfeit, false, fraudulent, phoney, worthless, fake, spurious, bogus, and dud.