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cost-effective

American  
[kawst-i-fek-tiv, kost-] / ˈkɔst ɪˈfɛk tɪv, ˈkɒst- /

adjective

  1. producing optimum results for the expenditure.


cost-effective British  

adjective

  1. providing adequate financial return in relation to outlay

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We must, however, be clear: the energy sector offers today the fastest and often the most cost effective reductions," Barbut said.

From Barron's • May 4, 2026

The JCVI, a scientific advisory committee that advises both the UK and Welsh government on vaccinations, concluded in 2014 that vaccinating teenagers and young adults against MenB was "not cost effective".

From BBC • Apr. 3, 2026

“While we are developing more cost effective models, it is absolutely urgent that we get people off our streets immediately,” Herman said.

From Los Angeles Times • Feb. 15, 2026

Producing it directly from exhaust gases could make carbon reuse more practical and cost effective.

From Science Daily • Jan. 29, 2026

Ensuring a healthy start in life for children remains not only a high priority of my Administration, but also one of the most cost effective forms of health care.

From State of the Union Address by Carter, Jimmy

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