Definitions from Wiktionary ( )

▸ adjective:  Done with intensity or to a great degree; thorough.
▸ adjective:  Being made more intense.
▸ adjective:  Making something more intense; intensifying.
▸ adjective:  (agriculture, economics) Of agriculture: increasing the productivity of an area of land.
▸ adjective:  (linguistics) Of a word: serving to give emphasis or force.
▸ adjective:  Involving much activity in a short period of time; highly concentrated.
▸ adjective:  Of or pertaining to innate or internal intensity or strength rather than outward extent.
▸ adjective:  Chiefly suffixed to a noun: using something with intensity; requiring a great amount of something; demanding.
▸ adjective:  (medicine) Chiefly in intensive care: of care or treatment: involving a great degree of life support, monitoring, and other forms of effort in order to manage life-threatening conditions.
▸ adjective:  (obsolete)
▸ adjective:  That can be intensified; allowing an increase of degree.
▸ adjective:  Synonym of intense (“extreme or very high or strong in degree; of feelings, thoughts, etc.: strongly focused”)
▸ noun:  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.
▸ noun:  (education) A course taught intensively, involving much activity in a short period of time.

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