MOURN

[verb] - to feel or express great sadness, esp. because of someone's deathQueen Victoria mourned Prince Albert/Prince Albert's death for 40 years. [T]When someone we know dies, we need to take the time to mourn. [I]She is mourning for her brother. [I]Are we mourning the passing of a decade (= feeling sad because it has come to an end and will not return), or celebrating the beginning of a new one? [T]They're mourning for/over their lost opportunities. [I]