Sidelong1. (adv.) Slanting to one side; indirect; as, a sidelong glance.
2. (adv.) On the side; as, to lay a thing sidelong.
3. (a.) Lateral; oblique; not being directly in front; as, a sidelong glance.
Thesaurus Entries
aside, askance, askant, aslant, aslope, asquint, at an angle, atilt, away, backhand, backhanded, bevel, beveled, bias, biased, broadside, broadside on, canting, careening, circuitous, circuitously, covert, crabwise, deflectional, deviant, deviately, deviative, devious, deviously, digressive, digressively, divagational, divagationally, divergent, divergently, edgeway, edgeways, edgewise, excursive, excursively, flanking, glancing, glancingly, in juxtaposition, inclinational, inclinatory, inclined, inclining, indirect, indirectly, laterad, lateral, laterally, leaning, lee, leeward, left-handed, listing, nearby, next-beside, oblique, obliquely, on its side, on one side, on the beam, on the side, out of plumb, out of square, pitched, raking, recumbent, right and left, shelving, shelvy, side, sideling, sideward, sidewards, sideway, sideways, sidewise, sidling, sinister, sinistral, skirting, slant, slanted, slanting, slantways, slantwise, sloped, sloping, surreptitious, tilted, tilting, tipped, tipping, tipsy, to one side, to the side, weather, windward