inswept,a.|ˈɪnswɛpt| [f. in adv. + swept ppl. a.] Of the frame of a motor vehicle: narrowed at the forward end or at the side. 1907Westm.Gaz. 12 Nov. 12/3 The frames will be inswept from the dash.1908Ibid. 30 Jan. 4/1 The frame..is inswept in front and gracefully upturned in the rear.