amerce UK /əˈmɜːs/US /əˈmɝs/ verb2 •To impose a fine on; to fine.But I'll amerce you with so strong a fine That you shall all repent the loss of mine: — 1591 •To punish; to make an exaction.The fellows of his crime, the followers rather (Far other once beheld in bliss), condemn'd For ever now to have their lot in pain, Millions of Spirits for his fault amerc't — 1667 formsamerced · amercing · amerces