make payment to; compensate; "My efforts were not remunerated"
make amends for; pay compensation for; "One can never fully repair the suffering and losses of the Jews in the Third Reich"; "She was compensated for the loss of her arm in the accident"
adjust for; "engineers will work to correct the effects or air resistance"
based on custom rather than documentation; "an unwritten law"; "rites...so ancient that they well might have had their unwritten origins in Aurignacian times"- J.L.T.C.Spence
make a counterattack and return like for like, especially evil for evil; "The Empire strikes back"; "The Giants struck back and won the opener"; "The Israeli army retaliated for the Hamas bombing"
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
above or beyond the human or demanding more than human power or endurance; "superhuman beings"; "superhuman strength"; "soldiers driven mad by superhuman misery"