Comparative form of intense: more intense(adjective)
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Use "intenser" in a sentence
"The closer the neighbors, and the stronger they are, the intenser is the warfare, and then the intenser is the internal organization and discipline of each."
"Hannibal Lecter has no insides at all, and yet in being capable of both suave charm and horrible violence, he assumes a kind of intenser life much more compelling than Anakin Skywalker, whose notional 'development', and supposed internal conflicts are so rendered in so thoroughly risible a manner ( 'oh look what the Sandmen did to his mother!"
"The longer and the intenser the hours of labour, the more debasing the forms of recreation become . . . the saloon will exist as long as there is overwork. . ."