[spiky] also spikey adj spik.i.er ; -est (1720) 1: of, relating to, or characterized by spikes
2: sharply irritating or acerbic (as in temper or manner) 3 [fr. the alleged harshness of such views] Brit: strongly favoring Anglo-Catholic teaching or practice -- spik.i.ly adv -- spik.i.ness n