extremely or distressingly bad or serious.
"a terrible crime"
synonyms: dreadful, awful, appalling, horrific, horrifying, horrible, horrendous, atrocious, abominable, deplorable, egregious, abhorrent, frightful, shocking, hideous, ghastly, grim, dire, unspeakable, gruesome, monstrous, sickening, heinous, vile; More
antonyms: minor, negligible, slight, brilliant, excellent
extremely unpleasant or disagreeable.
"the weather was terrible"
informal
used to emphasize the extent of something unpleasant or bad.