de·​vel·​op·​men·​tal | \ dē-ˌve-ləp-ˈmen-tᵊl How to pronounce developmental (audio) \

Definition of developmental

1a : of, relating to, or being development developmental processes developmental biology broadly : experimental sense 2 developmental aircraft
b : serving economic development developmental highways
2 : designed to assist growth or bring about improvement (as of a skill) developmental toys

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Other Words from developmental

developmentally \ dē-​ˌve-​ləp-​ˈmen-​tᵊl-​ē How to pronounce developmentally (audio) \ adverb

Synonyms for developmental


experimental, pilot, trial

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Examples of developmental in a Sentence

A drop in temperature can slow the plant's developmental process. a child with developmental abnormalities My theory is still in its developmental stage.
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Recent Examples on the Web

Hutzler belongs to the music group United by Music North America, a performance and mentorship program for musically talented people with intellectual and developmental disabilities., "Waterfront Blues Festival in Portland hits special note for special Pacific Northwest group," 4 July 2019 At a legislative hearing last year, advocates for people with intellectual and developmental disabilities argued Seaside should be sold. Gregory B. Hladky,, "State ends search for developer for Seaside State Park," 3 July 2019 Chris Rosin, appointed the Oregon public guardian and conservator, in February said his office served as guardian for just 55 adults statewide, 11 of whom have intellectual or developmental disabilities., "Mother questions retaliation after advocating for son with developmental disabilities," 26 June 2019 BCR A Place to Grow will be allocated $12,068 for its transportation program, which will help transport 83 children and adults with intellectual or developmental disabilities. Anthony Clark Carpio,, "Burbank allocates federal funds to several nonprofits," 20 June 2019 The agency supports an underserved population: individuals of all ages with intellectual and developmental disabilities, people who have suffered traumatic brain injuries and others who are on the autism spectrum. Michael Schroeder, Indianapolis Star, "Top Workplaces 2019: Insights Consulting," 8 June 2019 Infection also has been linked to microcephaly, a condition in which a baby’s head is significantly smaller than normal, and other developmental problems such as eyesight and hearing loss. Laura Garcia,, "San Antonio research facility gets $2 million grant to test Zika vaccine," 4 June 2019 Almost all of the new technology has had developmental problems and cost overruns--for example, the cost of the landing system has tripled from $301 million to $961 million dollars. Kyle Mizokami, Popular Mechanics, "The Navy’s Newest Aircraft Carrier Is Delayed, Yet Again," 28 Mar. 2019 Today, some of the children born during the outbreak are trying school for the first time — in very limited capacities — while others have died or are struggling to survive, hindered by health and developmental problems. Washington Post, "Some Brazil ‘Zika kids’ try school, others fight to survive," 7 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'developmental.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of developmental

1849, in the meaning defined at sense 1a

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Statistics for developmental

Last Updated

17 Jul 2019

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Time Traveler for developmental

The first known use of developmental was in 1849

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English Language Learners Definition of developmental

: of or relating to the growth or development of someone or something
: designed to help a child grow or learn

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Comments on developmental

What made you want to look up developmental? Please tell us where you read or heard it (including the quote, if possible).


to complain fretfully

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