Etymology From hindsight + -ly. Compare foresightly.
1
Nonstandard, Rare Of or pertaining to hindsight; retrospective.
This can't happen all at once, says the nasty piece of perk, the old Houyhnhnm is hindsightly.1996, Christine Brooke-Rose, Remake:
The hindsightly choice is for Michael Moore to privately fund insurance for every uninsured person in the US from the profits from Sicko instead of putting it all into getting Obama elected, [...]2009, Freida Bee, MD, Things Like That are Happening:
hindsightly
adv
Etymology From hindsight + -ly. Compare foresightly.