In Development vs. Under Development – Which is Correct?

Both “in development” and “under development” are grammatically correct and widely used to describe something being created or improved. While largely interchangeable, “under development” often implies an active, ongoing process, whereas “in development” can sometimes suggest a state of being developed. They convey essentially the same meaning.

In Development or Under Development – Which is Correct?

The phrases “in development” and “under development” are both correct and frequently used in modern American English to indicate that a project, product, or idea is currently being worked on and has not yet reached completion. The distinction between them is subtle and often negligible in practical application. “Under development” can slightly emphasize the active process—the item is literally “undergoing” the process of development. “In development” can describe the state of being within a development phase, akin to being “in progress.” However, in most contexts, you can use either phrase interchangeably without altering the core meaning.

The Best Trick to Remember the Difference

To grasp the subtle difference, think of “under development” as highlighting the active process of undergoing work, similar to “under construction” or “under review.” It implies the item is being subjected to the development process. “In development,” on the other hand, describes the state or phase an item is currently in, meaning it is “within” the development stage. If you want to emphasize the ongoing work, “under development” might be your choice, but if you’re simply stating its current status, “in development” works perfectly.

Word	Part of Speech	Meaning	Example
In development	Prepositional Phrase	Describes a state of being created, designed, or improved.	The new software is in development and will launch soon.
Under development	Prepositional Phrase	Emphasizes the active process of being created, designed, or improved.	The team is working on a feature that is under development.

How to Use In Development

“In development” is a widely used phrase across various industries, including technology, construction, pharmaceuticals, and entertainment, to signify that a project, product, or concept is currently undergoing creation, design, or refinement. It communicates that work is ongoing, and the item is not yet ready for public release, completion, or final deployment. This phrase is neutral in tone and suitable for both formal and informal contexts. It focuses on the state of being within a specific phase of progress.

Example 1: The latest smartphone model is currently in development, with a release expected early next year.

Example 2: The city council announced a new park project that is in development near the riverfront, aiming for completion by 2028.

Example 3: Our research team has several promising new therapies in development for various autoimmune diseases.

Etymology of the word In development

The preposition “in” originates from Old English, meaning “within” or “into.” The word “development” traces its roots back to the Old French “desveloper,” meaning “to unwrap” or “unfold.” By the 18th century, “development” began to acquire its modern sense of “a gradual unfolding or growth,” particularly in the context of projects, ideas, or processes by the 19th century. The phrase “in development” thus emerged to succinctly describe the state of being within this process of growth or creation.

How to Use Under Development

Similar to “in development,” “under development” also indicates that a project, product, or idea is actively being worked on and has not yet reached its final stage. This phrase often carries a slightly stronger connotation of an ongoing, dynamic process, as if the item is literally “under” the influence or supervision of the development work. It is equally formal and widely accepted in professional and technical discourse. It emphasizes the active work being performed to bring something to fruition.

Example 1: The next generation of electric vehicles is under development at the company’s advanced R&D center.

Example 2: A new policy framework to address global climate change is under development by the international consortium.

Example 3: The artist’s latest sculpture, a massive metal installation for the city square, is still under development in their studio.

Etymology of the word Under development

The preposition “under” derives from Old English “under,” meaning “below, beneath, in a lower position.” Over time, “under” expanded its semantic range to include meanings like “subject to” or “in the process of” an action or condition (e.g., “under construction,” “under review”). When combined with “development,” it metaphorically signifies that something is being subjected to or undergoing the process of development. This construction became a common way in English to denote an active state of being worked upon.

Related Concepts

Understanding broader grammatical concepts helps clarify the nuances and correct usage of phrases like “in development” and “under development.”

• Prepositional Phrases: Both “in development” and “under development” are prepositional phrases. They consist of a preposition (“in” or “under”) and its object (“development”). These phrases function adverbially, modifying verbs (e.g., “The project is in development“), or adjectivally, modifying nouns (e.g., “The product under development is revolutionary”).
• Idiomatic Expressions: While the words themselves are literal, the combination of “in/under” with “development” forms a fixed expression whose meaning is understood collectively rather than by individual word interpretation. These phrases are widely accepted idioms to convey a specific status of progress.

Examples from Media and Literature

These examples illustrate the correct usage of “in development” and “under development” in various contexts:

• “The highly anticipated sequel to the popular video game remains in development, with no firm release date announced, according to recent industry reports from June 2026.”
• “Scientists are reporting promising results from a new vaccine that is currently under development, offering hope for future public health challenges.”
• “The urban renewal project, which includes new housing and commercial spaces, is still in development, facing minor delays due to material shortages.”
• “The author confirmed in a recent interview that her next novel, a sprawling historical fiction epic, is under development and progressing well.”
• “New regulations concerning AI ethics are in development by international bodies, aiming to establish global standards by 2027.”

Practice Exercises

Choose the correct word to complete the sentence.

1. The new security system for the building is still _____. (in development / under development)
2. The company announced that its innovative new product is now officially _____. (in development / under development)
3. Progress on the bridge construction, which is _____ ahead of schedule, is visible to commuters. (in development / under development)
4. She noted that the proposal for the grant is still _____ and will be finalized next week. (in development / under development)
5. Many new technologies are constantly _____ at the university’s research labs. (in development / under development)

Answer Key

1. in development / under development (Both are correct)
2. in development / under development (Both are correct)
3. under development (Emphasizes the active process of construction)
4. in development / under development (Both are correct)
5. in development / under development (Both are correct)

In Development Synonyms

Synonym	Definition
In progress	Currently happening or being done.
Underway	Having started and continuing.
Being created	In the process of being made or brought into existence.
Evolving	Developing gradually from a simple to a more complex form.
Forming	Coming into existence or taking a particular shape.

Under Development Synonyms

Synonym	Definition
Being built	Actively being constructed or assembled.
Under construction	In the process of being built or made.
In the works	Being planned, prepared, or produced.
Developing	Growing, progressing, or becoming more advanced.
Maturing	Reaching a more advanced or complete stage of development.

Frequently Asked Questions

Question 1: Is there a formal difference between “in development” and “under development”?
While both phrases are widely accepted and largely interchangeable in formal contexts, “under development” can sometimes emphasize the active process or the state of being subjected to development, whereas “in development” describes the state of being within a development phase. However, for most practical purposes, either is suitable and understood.

Question 2: Can “in development” and “under development” be used interchangeably in all situations?
Yes, almost always. The choice often comes down to slight stylistic preference or the specific emphasis a speaker or writer wishes to convey, rather than a strict grammatical rule or significant difference in core meaning. Both are broadly accepted as correct.

Question 3: Are these phrases more common in specific industries?
Both phrases are highly prevalent across many sectors, particularly in technology (software, hardware), engineering, manufacturing, scientific research and development, and project management. Any field that involves ongoing work on new products, systems, or initiatives will frequently use these terms.

Conclusion

In conclusion, both “in development” and “under development” accurately convey that a project, product, or idea is currently in progress and not yet complete. While some might perceive a subtle emphasis on the active process with “under development” versus the state of being in progress with “in development,” for most practical communication, they are interchangeable. Choosing either phrase correctly ensures clarity and precision.

Pro Tip: When discussing ongoing projects, using either “in development” or “under development” correctly demonstrates a clear understanding of project status, which is crucial for maintaining professional credibility and effective communication within teams and with stakeholders.