In an direct manner; not in a straight line or course; not in express terms; obliquely; not by direct means; hence, unfairly; wrongly. [1913 Webster]

"To tax it indirectly by taxing their expense." [1913 Webster]

"Your crown and kingdom indirectly held." [1913 Webster]

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THESAURUS

indirectly

at an angle, by proxy, circlewise, circuitously, deceitfully, deviately, deviously, digressively, divagationally, divergently, excursively, fraudulently, furtively, guilefully, in behalf of, insidiously, obliquely, on one side, round about, shiftily, sideling, sidelong, sideways, sidewise, surreptitiously, to one side, treacherously, trickily, underhandedly

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