Definition of: intensive

(in·ten′siv) adjective
1. Serving or tending to intensify.
2. Admitting of increase of force or degree; capable of being intensified.
3. Thorough, as contrasted with extensive.
4. Logic Relating to intension or content. See CONTENT.
5. Agric. Of or pertaining to the tillage of land by the application of much labor and costly fertilization to a given area (usually small) which is thereby brought to a high degree of productiveness.
6. Of or relating to a way of making any industry more lucrative by perfecting methods and appliances without enlarging the scale of operations.
7. Med. a Characterizing a method of inoculation wherein the injections are successively increased in strength. b A method of administering increasingly strong remedies or doses.
8. Gram. Adding emphasis or force.
9. Intense; assiduous; concentrated: intensive research; intensive warfare.
10. Characterized by a relatively heavy investment in (something specified) as compared with other factors: used in combination: an energy–intensive method of heating; a labor–intensive industry.
—noun
1. Whatever gives intensity or emphasis.
2. Gram. An intensive particle, word, or phrase. [<F intensif]
—in·ten′sive·ly adverb
—in·ten′sive·ness noun