| Freewill (a.) of or pertaining to free will; voluntary; spontaneous; as, a freewill offering. Thesaurus Entries back, due, freewill, gratuitous, honorary, in arrear, in arrears, mature, outstanding, overdue, owed, owing, payable, receivable, redeemable, uncompensated, unrecompensed, unremunerated, unrequited, unrewarded, unsettled, voluntary, volunteer |