Synonyms and related words :
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