From Longman Dictionary of Contemporary Englishimpactim‧pact1 /ˈɪmpækt/ ●●●S3W2AWL noun1EFFECT/INFLUENCE[countable] the effect or influence that an event, situation etc has on someone or somethingimpact on/uponWe need to assess the impact on climate change.major/significant/profound etc impactHigher mortgage rates have already had a major impact on spending. impact ofan international meeting to consider the environmental impacts of global warming ► Don’t say ‘cause an impact’ on something. Say have an impact on something.► see thesaurus at effect2HIT/BUMP INTO[countable, uncountable] the force of one objecthitting anotherThe force of the impact knocked the breath out of her.3 →on impactCOLLOCATIONSadjectivesbig/greatWinning this competition could have a big impact on my life.His impact was greater than that of the Beatles.huge/enormous/massive Industry has a huge impact on the environment we live in.The impact has been enormous on people’s daily lives.smallNew technologies have only had a small impact on the overall level of employment. minimal/negligible (=very small and not important)The change in government had a minimal impact in the rural areas of the country.positive (=having a good effect)Cuts in federal spending should have a positive impact on America’s economic future.negative/damaging (=having a bad effect)The expansion of the airport would have a negative impact on the environment.disastrous (=a very bad effect)His leg injury had a disastrous impact on his career as a footballer.a major/significant impact (=important)The war had a major impact on French domestic politics.a profound impact (=very important)Population growth has a profound impact on world food demand.an adverse impact formal (=a bad effect)The loss of forests has had an adverse impact on bird populations.a real impact informal (=a big impact)The film made a real impact on cinema audiences.a lasting impact (=one that lasts for a long time)The arrival of the railways made a lasting impact on many sectors of the economy.a long-term impactScientists are calculating the long-term impact of the floods.a short-term/immediate impactA military attack may only have a short-term impact on terrorist activity.an emotional/psychological impactTheir mother’s death had a huge emotional impact on the children.an economic impactIt is difficult to measure the economic impact of the war.an environmental impactThe environmental impact of the construction project is being investigated.the full impact of somethingSouth Wales felt the full impact of the recession.the potential/likely impactHe’s studying the potential impact of climate change.verbshave an impactNew technology has had a massive impact on our lives.make an impactThe product quickly made an impact on the market.feel the impact of somethingThe industry has felt the impact of rising fuel prices.reduce/lessen/soften the impact of something (=make it less severe or unpleasant)The chemical industry is looking at ways to reduce its impact on the environment.lose impact (=have less effect)The picture loses impact when it is reduced in size.
impact• Decline and decay in one location will soon impactadjacent areas.• It's still unclear how the new law will impacthealthcare.• Child care is an issue that impacts on a broadcrosssection of working women.• As we saw with the Treasury, organisational culture will impact on budgetarybehaviour.• He feels the cuts will inevitably impact on servicedelivery.• Capitalcharges will therefore impact on the distribution of revenuefunds to health authorities.• Thirdly, there is the issue of how precisely capital charges will impact on the funds that DHAs actually receive.• In September a second Luna spacecraftimpacted on the nearside of the moon.• It turns out the nativeanimalsimpact that groundcover very lightly.• How is the growth of e-commercelikely to impact the retail sector?• It is essential that everyone is kept informed about what is involved and just how the new system will impact upon them.impact on/upon• Being part of a group of superb people has a profound impact on every member.• This is why minimizing is so sinister in terms of its impact on long-term performance.• Assessing the magnitude of these conflicting variables and their impact on management motivation is clearly problematical.• The impact on the private sector - the real test - is harder to assess.• Special education programs are having a tremendous impact on the way schools, educators, and library media programs do their work.• The manager should be involved in all discussions which have an impact on the workload levels in patient areas.• Both had particular experience which was overwhelming in its impact upon them.• Television coverage had surprisingly little impact on trends in party credibility.From Longman Business Dictionaryimpactim‧pact1 /ˈɪmpækt/ noun [countable]the effect or influence that an event, situation etc has on someone or somethingimpact onHigh interest rates have a negative impact on spending.The new advertising campaign has had little impact on sales.impactim‧pact2 /ɪmˈpækt/ verb [intransitive, transitive] especially American Englishto have an important or noticeable effect on someone or somethingThe recession has impacted the domestic business market.impact onHow will this program impact on the local community?→ See Verb table