Definition of "developed" in English

adjective

1. (said of a country) wealthy and industrialized; not third-world.

2. Mature.

3. Containing man-made structures such as roads, sewers, electric lines, buildings, and so on.

4. Having useful or necessary infrastructure.

5. Advanced, fully formed.

6. (photography, of film) Processed and fixed; containing a visible negative (or positive for slide film) image

verb

1. simple past and past participle of develop