Synonyms of penal in English:

penal


See definition of penal

adjective

1‘a penal institution’

SYNONYMS

disciplinary, punitive, corrective, correctional, retributive

2‘he avoided borrowing at penal rates of interest’

SYNONYMS

exorbitant, extortionate, excessive, outrageous, preposterous, immoderate, unreasonable, inordinate, iniquitous, inflated, sky-high, expensive, gross