Definition of horrendous in US English:

horrendous

adjective

  • Extremely unpleasant, horrifying, or terrible.

    ‘she suffered horrendous injuries’
    • ‘Kenny Smith feared for his life on the Ullapool to Stornaway Calmac ferry during a horrendous storm.’
    • ‘I climb out of my top bunk and get my Walkman in the hopes that music will drown out the horrendous noise.’
    • ‘He lost an eye and an arm, as well as suffering horrendous internal injuries.’
    • ‘It's great for Roger because he's had a hard time since he suffered a horrendous injury last season.’
    • ‘The consequences, had what they were doing led to a train being derailed, could have been horrendous.’
    • ‘But if a referee makes a catalogue of horrendous blunders, who's going to take him to task?’
    • ‘A ban on this horrendous daily cruelty to thousands of animals would impact on the profits of food producers.’
    • ‘Why do these criminals feel they can perpetrate such horrendous crimes and get away with it?’
    • ‘The atrocities committed on all sides were horrendous and on a gargantuan scale.’
    • ‘The victims have suffered a horrendous ordeal and quite appalling injuries in the case of Mr Francis.’
    • ‘The case of these missing girls is gruesome enough without such horrendous false alarms.’
    • ‘We see some terrible cases but this is the most horrendous for some time.’
    • ‘We are united in our stand to bring to justice those that perpetrated such a horrendous act of murder.’
    • ‘The drive home was horrendous, with repeated hold-ups and long, long tailbacks.’
    • ‘They sometimes feel their own situation is horrendous and no-one else can possibly be in the same boat.’
    • ‘Cheap and nasty food becomes even cheaper and nastier to subsidise the horrendous wastage.’
    • ‘The poster showing the Jack Russell's horrendous injuries can be seen in the background.’
    • ‘I am not going to give you examples, but there were two really horrendous stories, awful.’
    • ‘More recently, he has endured the most horrendous bad luck in terms of injuries.’
    • ‘Now everyone in the media agrees what a horrendous mistake it was not to follow up on it.’
    dreadful, horrifying, horrific, frightful, fearful, awful, terrible, shocking, appalling, hideous, grim, grisly, ghastly, harrowing, gruesome, heinous, vile, nightmarish, macabre, unspeakable, hair-raising, spine-chilling
    horrible, dreadful, horrifying, horrific, frightful, fearful, awful, terrible, shocking, appalling, hideous, grim, grisly, ghastly, harrowing, gruesome, heinous, vile, nightmarish, macabre, unspeakable, hair-raising, spine-chilling
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Origin

Mid 17th century: from Latin horrendus (gerundive of horrere ‘(of hair) stand on end’) + -ous.

Pronunciation