hor·ren·dous (hô-rĕn′dəs, hə-)
Hideous; dreadful: "Horrendous explosions shook the whole city" (Howard Kaplan).
[From Latin horrendus, from gerundive of horrēre, to tremble.]
[C17: from Latin horrendus fearful, from horrēre to bristle, shudder, tremble; see horror]
hor•ren•dous (həˈrɛn dəs)
shockingly dreadful; horrible: a horrendous crime.
[1650–60; < Latin horrendus inspiring fear, ger. of horrēre to stand on end, bristle, shudder]
horrible horrid horrific horrifying horrendous
1. describing unpleasant events or experiences
All of these words except horrid can be used to describe a very unpleasant and shocking event, experience, or story.
Still the horrible shrieking came out of his mouth.
It was one of the most horrific experiences of my life.
...the horrifying descriptions of life in the trenches.
...the horrendous murder of a prostitute.
2. expressing dislike
In conversation, people use horrible and horrid to show their dislike for someone or something. These words can be used to describe almost anything which is unpleasant, ugly, disgusting, or depressing.
The hotel was horrible.
His suit was a horrible colour.
We had to live in a horrid little flat.
3. for emphasis
Horrible is also used in front of a noun to emphasize how bad something is. For example, you can say 'I've made a horrible mistake'.
Everything's in a horrible muddle.
Horrendous is usually used to describe something which is extremely difficult to deal with.
The cost can be horrendous.
|Adj.||1.||horrendous - causing fear or dread or terror; "the awful war"; "an awful risk"; "dire news"; "a career or vengeance so direful that London was shocked"; "the dread presence of the headmaster"; "polio is no longer the dreaded disease it once was"; "a dreadful storm"; "a fearful howling"; "horrendous explosions shook the city"; "a terrible curse"|direful
- frightening because of an awareness of danger
adjective 1. horrific, shocking, appalling, frightening, awful, terrifying, grim, dreadful, horrifying, ghastly, grisly, frightful, hellacious (U.S. slang) The violence used was horrendous.