From Longman Dictionary of Contemporary Englishlamentationlam‧en‧ta‧tion /ˌlæmənˈteɪʃən/ noun [countable, uncountable] formalSAD/UNHAPPY deep sadness or something that expresses it There was lamentation throughout the land at news of the defeat.
Examples from the Corpus
lamentation• Buchman's lamentation about the state of American democracy is not justified. 