British. : something (such as a process, action, or event) that causes other things to happen The drought is likely to have a knock-on effect throughout the whole economy.
How do you use knock-on effect?
(1) The closure of the car factory had a knock-on effect on the tyre manufacturers. (2) A system failure has a knock-on effect throughout the whole hotel. (3) These price rises will have a knock-on effect on the economy. (4) And it had a knock-on effect.
What does the term knock-on mean?
If there is a knock-on effect, one action or event causes several other events to happen one after the other.