expression
despite; in spite of; without worrying about
Classical or literary expression meaning 'without being bothered by' or 'in defiance of'. Often used in the patterns ...もものかは or ...はものかは. Modern equivalents include ～にもかかわらず or ～をものともせず.
雨もものかは、彼は外に飛び出した。
Despite the rain, he dashed outside.
危険はものかは、彼は救助に向かった。
Without fear of the danger, he went to the rescue.