There is a statement in the Hari-vaṁśa wherein Satyabhāmā, one of the queens of Kṛṣṇa in Dvārakā, tells her husband: "My dear Kṛṣṇa, since I heard Nārada glorifying Rukmiṇī before You, I can understand that there is no need of any talking about myself." This is an instance of disappointment caused by envy. Rukmiṇī and Satyabhāmā were co-wives, and because Kṛṣṇa was husband of both, there naturally was some feminine envy between them. So when Satyabhāmā heard the glories of Rukmiṇī, she was envious of her and thus became disappointed.
In the Tenth Canto, 51st Chapter, 29th verse of Śrīmad-Bhāgavatam there is this statement: "My dear Kṛṣṇa, I cannot say that it is only other people who are implicated in material existence, because I too am much entangled with the bodily concept of life. I am always too anxious about my family, home, wife, wealth, land and kingdom. And because I have been so maddened by this material atmosphere, I am thinking now that my life has been simply spoiled." This statement is an instance of disappointment caused by lamentation.
According to Bharata Muni, this disappointment is inauspicious. But there are other learned scholars who have accepted such disappointment as being in the mood of neutrality and as being a preservative for ecstatic love.
When one is unsuccessful in achieving his desired goal of life, when one finds no fulfillment in his present occupation, when one finds himself in reversed conditions and when one feels guilt—at such a time one is said to be in state of lamentation.