strictHer parents were very strict.
firmI was always very firm with my children.
take a hard line onThe school takes a hard line on bullying.
stringentStringent safety regulations were introduced after the accident.
toughWe need tough new measures to combat crime.
tightTighter security has resulted in longer waits at airports.
draconianformalHe criticized the draconian measures used by the police in controlling the demonstrators.