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.
Plus, the dramatic drop in blood glucose and insulin that can come with eating fewer carbs has knock-on effects for the liver. — Stephanie Anderson Witmer, HEALTH, 28 Sep. 2026 The flood also has had knock-on effects, including panic buying of food, disrupted supply chains for food and other items, and staffing problems at various enterprises whose employees were unable to get to their jobs. — ABC News, 28 Sep. 2026 Many bees are used at avocado farms in Queensland to pollinate the crops, so the thefts could have a knock-on effect on other food production. — Chas Newkey-Burden, TheWeek, 27 Sep. 2026 There have also been notable knock-on effects on energy security and affordability, directly affecting the transition to more sustainable systems. — Johannes Teyssen, Fortune, 23 Sep. 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 4 Oct. 2026.

Love words? Need even more definitions?

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