There are many synonyms for the word "lamentation" that can be used to convey a sense of grief or mourning. Some common synonyms include mourning, sorrow, weeping, crying, grieving, and lamenting. These words evoke a feeling of deep sadness and can be used to describe the emotions and expressions associated with loss or a difficult situation. Other synonyms for lamentation include wailing, keening, bemoaning, and mourning the loss of something or someone. These words can be used to effectively capture the feeling of sorrow and evoke a sense of empathy or understanding in the reader or listener.