From devil + -less. <span class="searchmatch">devilless</span> (not comparable) (rare) Without devils. 1940, William La Varre, Southward ho!: A treasure hunter in South America: "Those...
devilkin devilkind devilled devilled egg devilled ham devilled sausages <span class="searchmatch">devilless</span> devil lies in the details devillike devillish devil-lore devil-may-care...