Prepositions after verbs

Horrify at or horrify by?

The verb horrify usually takes a direct object without a preposition. The adjective horrified commonly appears with at or by.

Quick answer

How is horrify used?

Use horrify as a transitive verb: something horrifies someone. Do not normally say horrify at or horrify by. The adjective horrified is commonly followed by at or by.

The images horrified the audience.
She was horrified at the damage.
We were horrified by his behaviour.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
horrify + person

Causing shock or disgust

Horrify is usually followed directly by the affected person.

The news horrified everyone in the office.
The documentary horrified viewers worldwide.
2
be horrified at + situation

Reacting with shock to something

Horrified at often refers to facts, events, or conditions.

They were horrified at the cost.
I was horrified at what I saw.
3
be horrified by + action/person

Reacting strongly to a cause

Horrified by often points to the thing or person causing the reaction.

She was horrified by the violence.
We were horrified by his comments.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
horrify at
The phrase horrify at is not standard as a verb pattern.
use horrify + object or be horrified at instead
horrify by
The phrase horrify by is not standard as a verb pattern.
use horrify + object or be horrified by instead
horrify + object
The report horrified the public.
cause horror or shock
be horrified at
She was horrified at the scene.
feel shocked about a situation
be horrified by
He was horrified by the cruelty.
feel shocked because of a cause

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Adding a preposition after horrify

The verb horrify normally takes a direct object.

✕ The story horrified at me. ✓ The story horrified me.

Confusing the verb and adjective forms

Use horrified with at or by, not horrify.

✕ They horrify by the decision. ✓ They were horrified by the decision.

Using by when no passive meaning exists

By works naturally with the adjective horrified.

✕ The speech horrified by the audience. ✓ The speech horrified the audience.

Quick practice

Choose the expression that matches the intended meaning.

1. The accident ___ local residents.
2. She was horrified ___ the photos.
3. We were horrified ___ his behaviour.

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Frequently asked questions

Can I say horrify at something?

Not normally. Use horrify someone or be horrified at something.

What is the difference between horrified at and horrified by?

At often refers to situations or facts, while by often points to a cause or agent. Both are common.

Is horrify a transitive verb?

Yes. It usually needs a direct object, such as horrify the audience.

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