A law that applies retroactively, affecting acts that occurred before its enactment.
पूर्वव्यापी कानून
English Usage: The ex-post facto law was deemed unconstitutional by the court.
Hindi Usage: अदालत ने पूर्वव्यापी कानून को असंवैधानिक करार दिया।
"purvavyapi kanoon", "poorbavyapi kanun", "purvavyapee kanun", "poorbavyapi kanoon", "pūrvyāpī kānūn", "purv vyaapi kanun", "purva vyapi kanun", "purv vyapi karo"