penal
adjective /ˈpiːnl/
  /ˈpiːnl/
[usually before noun]- connected with or used for punishment, especially by law
- penal reforms
 - the penal system
 - Criminals could at one time be sentenced to penal servitude (= prison with hard physical work).
 - a penal colony (= a place where criminals were sent as a punishment in the past)
 
 - that can be punished by law
- a penal offence
 
 - very severe
- penal rates of interest
 
 
Word Originlate Middle English: from Old French penal, from Latin poenalis, from poena ‘pain, penalty’.