From Longman Dictionary of Contemporary Englishmournmourn /mɔːn $ mɔːrn/ ●○○ verb [intransitive, transitive] 1 SAD/UNHAPPYto feel very sad and to miss someone after they have died SYN grieve for Hundreds of people gathered to mourn the slain president.mourn for They mourned for their children, killed in the war.mourn somebody’s death/loss/passing She still mourns the death of her husband.2 SAD/UNHAPPYto feel very sad because something no longer exists or is no longer as good as it used to be The old steam trains were much loved, and we all mourn their passing.→ See Verb table
Examples from the Corpus
mourn• Depression is something we allow to happen if we choose not to mourn.• His death was mourned by hundreds of former pupils and countless friends.• How I envy him his focus and how I mourn for him his loss.• My mother never stopped mourning for my sister Frances, who died when she was four.• Then Priam brought Hector home, mourned in Troy as never another.• She drew me close and comforted me as I mourned my child and the bond between us had never been stronger.• All the neighbours and relations who had come to mourn stood around the coffin.• Residents mourned the loss of the trees.• In this house the Walls raised nine children, and mourned the loss of three other babies.• Hundreds of people gathered to mourn the slain president.mourn for• Church services were held to mourn for the victims of the fire.Origin mourn Old English murnan 