development

American  

[dih-vel-uhp-muhnt] / dɪˈvɛl əp mənt /

noun

1. the act or process of developing; growth; progress.

   child development; economic development.

   Synonyms:

   maturation, opening, evolution, growth, elaboration, expansion

   Antonyms:

   disintegration, deterioration

2. a significant consequence or event.

   recent developments in the field of science.

3. a developed or advanced state or form.

   Drama reached its highest development in the plays of Shakespeare.

   Synonyms:

   ripeness, maturity

4. Music. the part of a movement or composition in which a theme or themes are developed, or unfolded and elaborated, by various technical means, so as to reveal their inherent possibilities.

5. a large group of private houses or of apartment houses, often of similar design, constructed as a unified community, especially by a real-estate developer or government organization.

   Synonyms:

   subdivision, community

6. Chess. the act or process of developing chess pieces.

7. Mining. the work of digging openings, as tunnels, raises, and winzes, to give access to new workings, and of erecting necessary structures.

---

development British  

/ dɪˈvɛləpmənt /

noun

1. the act or process of growing, progressing, or developing

2. the product or result of developing

3. a fact, event, or happening, esp one that changes a situation

4. an area or tract of land that has been developed

5. Also called: development section.  the section of a movement, usually in sonata form, in which the basic musical themes are developed

6. chess

   1. the process of developing pieces

   2. the manner in which they are developed

   3. the position of the pieces in the early part of a game with reference to their attacking potential or defensive efficiency

---

Other Word Forms

• antidevelopment adjective
• developmental adjective
• developmentally adverb
• developmentary adjective
• hyperdevelopment noun
• hyperdevelopmental adjective
• nondevelopment noun
• nondevelopmental adjective
• nondevelopmentally adverb
• postdevelopmental adjective
• predevelopment noun
• self-development noun
• subdevelopment noun
• superdevelopment noun
• undevelopment noun
• undevelopmental adjective
• undevelopmentally adverb

Etymology

Origin of development

First recorded in 1745–55; develop + -ment, or from French développement

Example Sentences

Ba, a prominent AI researcher, played a central role in the development of Grok chatbot models, including work on the forthcoming Grok 4.

From Barron's

The rise of drones, however, necessitates the development of anti-drone technology as well.

From Barron's

In recent decades, the country has emerged as a bright spot in global development.

From The Wall Street Journal

Shipments to customers have “successfully” ramped in the first quarter, he noted, with that development occurinng a year ahead of when the company was initially expecting.

From MarketWatch

I choose to see this as a positive development.

From Literature

Related Words

• advancement
• evolution
• expansion
• improvement
• increase
• progress