macadamize verb1 •To cover (a road) with macadam (small, broken stones) so as to form a smooth, hard, convex surface.Lo there what mix’d conditions run! The orphan lad; the widow’s son; And Fortune’s favour’d care— The wealthy born, for whom she hath Mac-Adamized the future path— The Nabob’s pamper’d heir! — 1824 formsmacadamized · macadamizing · macadamizes