noun
1. an expression of sorrow or regret.
The parole board listened to the prisoner’s lament over what he had done, but they were not convinced of its sincerity.
Filled with lament and longing, his letter brought her to tears.
2. an expression of complaint.
The principal is hearing many laments from parents concerning the new school policy.
3. a formal expression of mourning in poetry or song; elegy or dirge.
transitive verb
to mourn for or regret.
She lamented the loss of her youth.Do you ever lament your decision to quit your high-paying job?
He still laments that he did not complete his education.
We strongly lament that you were treated in this manner by one of our hotel staff.
intransitive verb
to feel or express regret or sorrow; grieve or complain.
The result of their decision was not what they hoped for, but they had no time to lament.