underestimate the real value or ability of; "Don't sell your students short--they are just shy and don't show off their knowledge"
sell securities or commodities or foreign currency that is not actually owned by the seller, who hopes to cover (buy back) the sold items at a lower price and thus to earn a profit
an accommodation in which both sides make concessions; "the newly elected congressmen rejected a compromise because they considered it `business as usual'"
settle by concession
make a compromise; arrive at a compromise; "nobody will get everything he wants; we all must compromise"
expose or make liable to danger, suspicion, or disrepute; "The nuclear secrets of the state were compromised by the spy"