Definition of "promiscuous"

Came singly where he stood on the bare strand, / While the promiscuous croud stood yet aloof.

1667, John Milton, “Book I”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, lines 379-80

[T]hey had both been educated [...] on plans at once narrow and promiscuous, first in an English family and afterwards in a Swiss family at Lausanne, their bachelor uncle and guardian trying in this way to remedy the disadvantages of their orphaned condition.

1871, George Eliot [pseudonym; Mary Ann Evans], chapter I, in Middlemarch […], volume I, Edinburgh, London: William Blackwood and Sons, book I, page 4

X spreads false rumours to third parties about X’s spouse being promiscuous. X’s spouse finds out about the rumours and is distressed. X has committed emotional or psychological abuse against X’s spouse.

2023, Parliament of Singapore, “Women’s Charter (Family Violence and Other Matters) (Amendment) Bill”, in Republic of Singapore Government Gazette‎, page 5