numberly adjective 1adverb 1forms 2 adjective1 •(nonstandard, rare) Of or relating to number; numerous.[…] (but never pork: Black Muslims are numberly enough to affect the menu at Quentin), and there's a steady demand for the entreé on the tiers. — 2003 adverb1 •(nonstandard, rare) In regard to number.[…] parts of the former Yugoslavia, narrowed with an enslaved appetite of their neighbors, being numberly more and more less, sacrificed in front of an altar of the non efficiency […] — 1995 formsmore numberly · most numberly