Meaning of Nightmares
Unknown / অজানা / अज्ञात
a terrifying dream in which the dreamer experiences feelings of helplessness, extreme anxiety, sorrow, etc.
a condition, thought, or experience suggestive of a nightmare: the nightmare of his years in prison.
(formerly) a monster or evil spirit believed to oppress persons during sleep.
a terrifying or deeply distressing dream
an event or condition resembling a terrifying dream: the nightmare of shipwreck (as modifier): a nightmare drive