a profound impact — deep and lasting effect
collocationC1IELTS 7+neutralcommon
a very strong and significant effect that changes someone or something in a deep, often long-term way.
Say it like a native
Textbook The event exerted a deeply consequential and far-reaching impact.
Native It had a profound impact on me.
'Exerted a consequential impact' is heavy; 'had a profound impact on' is the natural pairing.
Pattern: have/make a profound impact (on someone/something)
In use
- The teacher's encouragement had a profound impact on her confidence.daily life
- I believe that technology has had a profound impact on the way we communicate, making it much easier to stay in touch with people around the globe.IELTS speaking
Common mistake
✗ It had a profound impact to society.
✓ It had a profound impact on society.
'An impact ON something', not 'to'.
Common collocations
a profound impact on— on, have, such, lasting
Don't confuse it
Unlike 'a big impact', which can refer to any noticeable effect, 'a profound impact' emphasizes depth, significance, and often lasting change.