A particular instance of haunting; a ghostly habitation.
"The old mansion stood as a permanent haunting, its windows dark and empty since the family left decades ago."
present participle of haunt
"The old lighthouse keeper's ghostly figure seemed to be haunting the abandoned pier every night at dusk."
continually recurring to the mind
"haunting memories"
"the cathedral organ and the distant voices have a haunting beauty"
having a deeply disquieting or disturbing effect
"from two handsome and talented young men to two haunting horrors of disintegration"
Remaining in the mind; not easily forgotten.
"The haunting melody of that old lullaby still echoes in my mind every time I close my eyes."