verb

lose or be deprived of (property or a right or privilege) as a penalty for wrongdoing.

those unable to meet their taxes were liable to forfeit their estates

noun

a fine or penalty for wrongdoing.

the loser must pay a forfeit

penalty,financial penalty,fine,fee,charge,sanction,punitive action,penance,damages,confiscation,loss,relinquishment,forfeiture,sequestration,amercement,mulct

adjective

lost or surrendered as a penalty for wrongdoing.

his possessions were declared forfeit