needly /ˈniːd.li/adverb 3adjective 1forms 4 adverb3 •(no longer used) Necessarily; of necessity.Or if sower woe delights in fellowship, And needly will be rankt with other griefes — 1591 •(no longer used) Urgently. •(no longer used) Zealously; carefully; earnestly. adjective1 •(informal) Like a needle or needles. formsmore needly · needlier · most needly · needliest