Terrible
Dreadful
Synonyms: Dreadful, appalling, horrifying, horrendous, abominable, frightful, shocking, ghastly, dire, unspeakable, monstrous, heinous, serious, acute, grievous, lamentable, severe, intense, agonizing, intolerable, insufferable, hopeless, inadequate, unsatisfactory, substandard, pathetic, useless, abysmal, chronic, rubbish, a load of pants, awful, horrific, horrible, atrocious, abhorrent, fearful, hideous, grim, hateful, gruesome, sickening, vile, grave, desperate, distressing, egregious, extreme, excruciating, unbearable, unendurable, very bad, poor, inferior, laughable, crummy, pitiful, lousy, duff, poxy, and pants.
Nasty
Synonyms: Nasty, very unpleasant, dreadful, horrid, vile, abominable, loathsome, repulsive, sickening, nauseous, repugnant, hideous, offensive, obnoxious, evil-smelling, smelly, rank, fetid, acrid, putrid, yucky, godawful, from hell, stinky, grotty, pongy, bogging, lousy, funky, noisome, disgustful, miasmal, unkind, contemptible, wretched, spiteful, malicious, mean-spirited, hateful, unfair, uncalled for, unacceptable, dirty, dirty rotten, off, disgusting, awful, ghastly, horrible, foul, frightful, revolting, odious, nauseating, repellent, horrendous, appalling, objectionable, noxious, foul-smelling, stinking, rancid, malodorous, gruesome, diabolical, sick-making, gross, icky, beastly, whiffy, niffy, hellacious, skanky, on the nose, mephitic, loathly, olid, unpleasant, despicable, shabby, mean, poisonous, cruel, hurtful, uncharitable, below the belt, unwarranted, filthy, low-down, and out of order.
Incorrigible
Synonyms: Incorrigible, great, real, dreadful, shocking, fearful, proper, outrageous, extreme, awful, frightful, impossible, and right.
Ill
Synonyms: Ill, poorly, indisposed, queasy, nauseated, liverish, green around the gills, dizzy, light-headed, off colour, rough, awful, crummy, ropy, peely-wally, queer, peaked, guilty, remorseful, ashamed, contrite, full of regret, repentant, shamefaced, apologetic, unwell, bad, sick, nauseous, peaky, out of sorts, faint, giddy, off, under the weather, lousy, dreadful, grotty, wabbit, crook, seedy, peakish, conscience-stricken, guilt-ridden, chastened, sorry, regretful, penitent, and self-reproachful.
Example Sentences
The weather outside was absolutely terrible.
She had a terrible headache today.
The movie received terrible reviews everywhere.
His performance was truly terrible last night.