D defs.my
Entry 1 sense Webster, 1913

Nighly

· Nigh·ly · IPA
01 adv. In a near relation in place, time, degree, etc.; within a little; almost.
  1. 1.
    In a near relation in place, time, degree, etc.; within a little; almost.[Obs.]
    “A cube and a sphere . . . nighly of the same bigness.” Locke.