noun

impact

effect, influence, collision

The new law will have a big impact.

The new law will have a big impact.

The impact of the crash was severe.

The impact of the crash was severe.

an impact ((on sth./sb.)) an effect on something/somebody The new law will have a big impact on our lives.

the impact ((of sth.)) the force of a collision The impact of the crash was severe.

Synonyms: effect, influence, consequence, collision

From Latin 'impingere', meaning 'to push against', from 'im-' (in, on) + 'pangere' (to fasten, fix).

Imagine a meteor making an 'impact' on Earth, leaving a crater (physical collision) and changing the climate (effect/influence).

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