irregularly

adv

1. In an irregular manner; without rule, method, or order.

   “A woman may have every quality or attribute of marriageableness who menstruates irregularly, or rarely, or even who has never menstruated at all.”

   “Seed micromorphology:—Seed coat is laticostate. Epidermal cells are elliptical to irregularly pentagonal. Cell walls are thickened mostly at the corners, the boundaries are raised […]”