intensive, adj. & n.
1 thorough, vigorous; directed to a single point, area, or subject (intensive study; intensive bombardment).
2 of or relating to intensity as opp. to extent; producing intensity.
3 serving to increase production in relation to costs (intensive farming methods).
4 (usu. in comb.) Econ. making much use of (a labour-intensive industry).
5 Gram. (of an adjective, adverb, etc.) expressing intensity; giving force, as really in my feet are really cold.
--n. Gram. an intensive adjective, adverb, etc.
intensive care medical treatment with constant monitoring etc. of a dangerously ill patient (also (with hyphen) attrib.: intensive-care unit).
intensively adv. intensiveness n.
F intensif -ive or med.L intensivus (as INTEND)
absolute, all-embracing, all-encompassing, all-out, all-pervading, born, broad-based, clean, clear, comprehensive, concentrated, congenital, consummate, deep, deep-dyed, downright, dyed-in-the-wool, egregious, exhaustive, hard, intense, intensified, omnibus, omnipresent, out-and-out, outright, perfect, pervasive, plain, plumb, profound, pure, radical, regular, sheer, straight, sweeping, thorough, thoroughgoing, through-and-through, total, ubiquitous, unconditional, universal, unmitigated, unqualified, unreserved, unrestricted, utter, veritable, wholesale