1extremely severe in a way that causes harm or damage [= horrible, awful]:
Their son had been injured in a terrible accident.
We're worried that something terrible might have happened to Greg.
a terrible storm
2informalextremely bad [= horrible, awful]:
The hotel was absolutely terrible.
I'd better write this down; I have a terrible memory.
3making you feel afraid or shocked:
There was a terrible noise and the roof caved in.
She wept when she heard the terrible news.
4to a very great degree:
You're making a terrible mistake.
WORD FOCUS: bad WORD FOCUS: bad very bad:awful, terrible, horrible, lousyinformal, appalling, ghastly, atrocious, horrendous bad, but not very bad:not very good, mediocre, second-rate, so-so, lacklustre of bad quality:shoddy, inferior, poor quality, cheap, crummyinformal bad at doing something:be no good at something very bad at doing something:hopeless, terrible, useless, lousyinformal, incompetent morally bad:evil, wicked, immoral, corrupt, sick, perverted, degenerate ➔ See alsobadWORD FOCUS: horrible WORD FOCUS: horrible taste or smell:nasty, not very nice, revolting, disgusting, foul, unpleasant, grossinformal experience, situation, or feeling:nasty, not very nice, terrible, unpleasant person:nasty, not very nice, obnoxious, meanAmerican English, unpleasant, objectionable ➔ See alsohorrible
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.