intensive

Etymology

Borrowed from Middle French intensif, from Medieval Latin intensivus, from Latin intensus, from intendere; related to intend.

adj

1. Thorough; to a great degree; with intensity.
2. Demanding; requiring a great amount of work etc.
   This job is difficult because it is so labour-intensive.
3. Highly concentrated.
   I took a three-day intensive course in finance.
4. (obsolete) Stretched; allowing intension, or increase of degree; that can be intensified.
5. Characterized by persistence; intent; assiduous.
6. (grammar) Serving to give force or emphasis.
   an intensive verb or preposition
7. (medicine) Related to the need to manage life-threatening conditions by means of sophisticated life support and monitoring.
   She was moved to the intensive-care unit of the hospital.

noun

1. (linguistics) A form of a word with a stronger or more forceful sense than the root on which the intensive is built.
2. A course taught intensively.
   Beginning in 2014, ETSI embarked on a six-year implementation phase at three monastic universities (Sera, Ganden, and Drepung). This program is composed of summer intensives taught by faculty from Emory and other institutions, […] 2017, Wendy Hasenkamp, Janna R. White, The Monastery and the Microscope, page 372