adjective

horrendous

huh-REN-dus/həˈrendəs/

Extremely bad or frightening.

The woman surveys horrendous flood damage in her kitchen with shocked dismay.

Woman reacts in shocked dismay to horrendous flooded kitchen damage: collapsed small cabinet, burst pipe and muddy puddle with ruined appliances, compact disaster vignette and strong expression, no injuries or writing, white margins.
Etymology

The shuddering root and gerundive ending give the literal idea “to be shuddered at.” This makes extreme badness or unpleasantness something described as provoking a physical reaction of dread.

In context

Philip Morris International1:03
that actually that's then been produced by people who are in enslaved conditions that are underpaid and not allowed to leave the factory for months at a time you know horrendous human rights violations occur
Protecting consumers: How do you avoid fakes online?

More examples

  • A horrendous smell comes from the overflowing trash can.
  • The storm causes horrendous damage along the coast.
  • She wakes from a horrendous nightmare, shaking with fear.

Forms

horrendous

horrendously adverb — In an extremely bad or frightening way.

Similar words

terrible
A broader term for something very bad or distressing.
appalling
Emphasizes shock or disgust rather than fear or difficulty.
dreadful
Often emphasizes fear or anticipation of something very unpleasant.