lament

noun

1. An expression of grief, suffering, sadness or regret.
2. A song expressing grief.

verb

1. (intransitive)To express grief; to weep or wail; to mourn.

   “Ye shall weep and lament, but the world shall rejoice.”

   “And they are dangerous because when worn they make their wearer look ridiculous and contemptible to those not enthralled by the same fashion; and when their moment has passed they take up precious closet space, taunting you and making you lament of money that should have been spent on something more longevous.”

2. (transitive)To express great sorrow or regret over; to bewail.

   “Euston is so traditionally a part of the London scene that many will lament the passing of the old station when rebuilding is complete in readiness for the new electric service, which will probably be by multiple-units between Euston and Wolverhampton.”

   “By the end, Sunderland were lucky to lose by the same scoreline Northampton Town suffered against Southampton, in 1921. The Sunderland manager, Gus Poyet, lamented that it was “the most embarrassed I’ve ever been on a football pitch, without a doubt”.”

   “One laugh'd at follies, one lamented crimes.”