0 to feel sorry about an event and wish it had not happened
1 to feel sorry about an event and wish it had not happened; regret
The reforming conductor's efforts were in vain; thus 'rue', an old-fashioned literary word for regret.
They rue the sociolinguistic impact of in-migration, "invasion," and "penetration" (135-36).
Viewing the books in the show, one might rue the loss of color in favor of a greater profusion of plates.
In other cases, we may be left with fanciful speculation - leopard's bane, goat's rue, toadflax.
We shall live to rue the day that we ever allowed so much of that heritage to disappear in the path of the bulldozer.
But it has happened and many are ruing it.
I regard the whole matter as a deeply misconceived and misguided exercise, and one that we shall rue as time goes on.
He may rue the day when he dispensed with that flexibility.