Gerundial noun: the act or state of disregarding.
His total disregarding of safety warnings was alarming.
Его полное игнорирование предупреждений о безопасности было тревожным.
disregardinggerund / present participle Occasionally used attributively to describe something marked by lack of regard.
She gave him a disregarding shrug.
Она сделала пренебрежительный жест плечами.
Functions as a preposition meaning "without taking into account; regardless of".
Disregarding the cost, they approved the renovation.
Несмотря на стоимость, они одобрили ремонт.
невзирая наБолее формальный стиль