Indirectly

(adv.) In an direct manner; not in a straight line or course; not in express terms; obliquely; not by direct means; hence, unfairly; wrongly.

Thesaurus Entries

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