See intensive in Webster's New World Roget's A-Z Thesaurus II
adjective
Intensely sustained, especially in activity:
concentrated, fierce, heavy, heightened, intense. See strongCovering all aspects with painstaking accuracy:
all-out, complete, exhaustive, full-dress, thorough, thoroughgoing, thoroughpaced. See big, carefulNot diffused or dispersed:
concentrated, exclusive, undivided, unswerving, whole. See collect, edge, part
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