development

noun

de·​vel·​op·​ment di-ˈve-ləp-mənt 

dē-

1

: the act, process, or result of developing

the development of new ideas

an interesting development in the case

2

: the state of being developed

a project in development

3

: a tract of land that has been made available or usable : a developed tract of land

especially : one with houses built on it

Synonyms of development

• evolution
• progress
• expansion
• progression
• growth

Examples of development in a Sentence

Good nutrition is important for proper muscle development.

The company offers many opportunities for professional development.

The software is still in the early stages of development.

I try to keep up with the latest developments in computer technology.

Have there been any new developments in the case?

Recent Examples on the Web

This story has been updated with additional context and developments. —Cnn.com Wire Service, Mercury News, 15 Jan. 2026

The test represented a significant step forward in the development of this advanced missile system, according to the company. —Prabhat Ranjan Mishra, Interesting Engineering, 15 Jan. 2026

The development has reverberated across South Florida's large Venezuelan community. —Ivan Taylor, CBS News, 15 Jan. 2026

The development comes after multiple prosecutors in Minnesota resigned amid pressure from the Department of Justice to launch an investigation into Good's wife, multiple news outlets reported. —Christopher Cann, USA Today, 15 Jan. 2026

Word History

Etymology

see develop

First Known Use

1724, in the meaning defined at sense 1

Phrases Containing development

• housing development
• hyper-development
• in development
• pre-development
• research and development
• ribbon development
• self-development
• sub-development

Rhymes for development

• envelopment
• redevelopment
• underdevelopment

Kids Definition

development

noun

de·​vel·​op·​ment di-ˈvel-əp-mənt 

1

: the act, process, or result of developing

2

: the state of being developed

3

: a developed piece of land

especially : one that has houses built on it

Medical Definition

development

noun

de·​vel·​op·​ment di-ˈvel-əp-mənt 

1

: the action or process of developing: as

a

: the process of growth and differentiation by which the potentialities of a zygote, spore, or embryo are realized

b

: the gradual advance through evolutionary stages : evolution

2

: the state of being developed

the great muscular development of weight lifters

developmental

-ˌvel-əp-ˈment-ᵊl 

adjective

developmentally

-ē 

adverb