Definition of "intensive" in English

adjective

1. Done with intensity or to a great degree; thorough.

2. Being made more intense.

3. Making something more intense; intensifying.

4. Involving much activity in a short period of time; highly concentrated.

   • I took a three-day intensive course in finance.

5. Of or pertaining to innate or internal intensity or strength rather than outward extent.

6. Chiefly suffixed to a noun: using something with intensity; requiring a great amount of something; demanding.

   • This job is difficult because it is so labour-intensive.

7. That can be intensified; allowing an increase of degree.

8. Synonym of intense (“extreme or very high or strong in degree; of feelings, thoughts, etc.: strongly focused”).

noun

1. A thing which makes something more intense; specifically (linguistics), a form of a word with a more forceful or stronger sense than the root on which it is built.

2. (education) A course taught intensively, involving much activity in a short period of time.