plural knock-on effects
chiefly British
: an indirect or secondary effect
The heat wave has had critical knock-on effects. Surging electricity demand and stress on the power grid triggered power outages …Umair Irfan
Over the past 12 months, asking prices [for houses] have gone up by 9.5%. This has a knock-on effect for renters. UK rents rose by 8.3% in the last three months …theguardian.com (London)
compare domino effect, ripple effect

Examples of knock-on effect in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Disruption can have a knock-on effect for the rest of the campaign. Andy Jones, New York Times, 11 June 2026 Without it, walls can have a knock-on effect that infiltrates the rest of your room. Ashley Chalmers, The Spruce, 7 June 2026 If the researchers' allegations are true, this has had knock-on effects far beyond the original article. Will McCurdy, PC Magazine, 14 June 2026 That would have knock-on effects for metals and manufacturing stocks amid disruption in supply chains, input costs and operating conditions these sectors rely on. Bloomberg, Fortune, 21 June 2026 See All Example Sentences for knock-on effect

Word History

First Known Use

1972, in the meaning defined above

Time Traveler
The first known use of knock-on effect was in 1972

Browse Nearby Words

Cite this Entry

“Knock-on effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knock-on%20effect. Accessed 8 Jul. 2026.

More from Merriam-Webster on knock-on effect

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster