wayside I. \ˈ ̷ ̷ˌ ̷ ̷\noun Etymology: Middle English : the side of a road or path : land adjacent to a road or path < cornfields along the wayside > < many former advocates of this policy have fallen by the wayside > II. adjective : of, connected with, or situated at the side of a road or path < wayside flowers > specifically: situated adjacent to a highway so as to be accessible to motorists < wayside restaurants >