autumnly adjective 1adverb 1forms 2 adjective1 •Resembling or relating to autumn; fall-like.What visitor to Boulogne has left it without passing some hours in its tranquil cemetery? that garden of the dead, where summer lingers when all around looks autumnly and sere! — 1849 adverb1 •In a manner relating to or characteristic of autumn.Nights fume city-like and blow autumnly from cold roofs. — 2006 formsmore autumnly · most autumnly
