Impact vs Put this big a dent

When to use each in English, with meaning, register, and examples.

Impact

Top 1,000 (very common)B1noun

Put this big a dent

Beyond 10,000 (less common)
Most common: Impact
 ImpactPut this big a dent
Pronunciation🇬🇧 /["/ˈɪmpækt/"]/🇺🇸 /["/ˈɪmpækt/"]/🇬🇧 //pʊt ðɪs bɪg ə dɛnt//🇺🇸 //pʊt ðɪs bɪg ə dɛnt//
MeaningThe strong effect or change that something has on something else.to make a significant impact or change.
ExampleThe impact of the new policy was felt immediately across the company.His donation really put this big a dent in our fundraising efforts.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB1-
Part of speechnoun
Collocationsbig, considerable, dramatic, achieve, create, exert, under the impact of, impact on, impact upon, full, initial, asteroid, take, feel, absorb, occur, knock somebody/​something…, speed, velocity, crater, on impact, the moment, point, time, etc. of impactput a dent in, put this big a dent, make a dent
Antonymsinsignificance, ineffectivenessignore, neglect
Common mistakesConfused with 'effect' — remember that 'impact' often implies a stronger influence., Using 'impact' as a verb incorrectly, such as 'impacting on' instead of 'impacting'., Confusing the noun and verb forms — ensure the context matches the form used.Confused with 'put a dent in' which is more common., Using 'big' incorrectly as an adverb., Omitting 'a' before 'dent'.
Usage notesUse 'impact' when describing the effect of one thing on another. It's suitable for both spoken and written contexts, but avoid using it in highly formal situations like academic papers. In casual conversation, synonyms like 'effect' might be more appropriate.Often used metaphorically to describe making a noticeable difference in a situation. Suitable for both spoken and written contexts. Avoid in overly formal situations.

See it in real clips

Impact
Put this big a dent

Frequently asked questions: Impact vs Put this big a dent

What's the difference between Impact and Put this big a dent?

Impact: The strong effect or change that something has on something else. Put this big a dent: to make a significant impact or change.

Which is more common: Impact and Put this big a dent?

Impact is the most common in everyday English.

Can you show an example of each?

Impact: The impact of the new policy was felt immediately across the company. Put this big a dent: His donation really put this big a dent in our fundraising efforts.

Can I use Impact and Put this big a dent interchangeably?

Not always. Impact and Put this big a dent are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons