संस्‍कृतशब्‍दकोशः

अविधानतस्

जो नियमानुसार न हो‚ नियमविरुद्ध‚ अवैधानिकता से

not according to rules, illegally, unlawfully

Monier–Williams

अविधानतस् — {tas} ind. not according to what is prescribed, irregularly Mn. ix, 144 and xii, 7