accelerated payment
noun[U]
ukusFINANCE
asituationwhere someone isforcedtopayaloanbackearlierthanoriginallyarrangedbecause there is ariskthat they may not beabletopayit backlater:
Followingfurtherfallsin the airline'sshares,itscreditorsaredemandingacceleratedpaymentofits$500 milliondebt.