1. (a.) Owed, as a debt; that ought to be paid or done to or for another; payable; owing and demandable.

2. (a.) Justly claimed as a right or property; proper; suitable; becoming; appropriate; fit.

3. (a.) Such as (a thing) ought to be; fulfilling obligation; proper; lawful; regular; appointed; sufficient; exact; as, due process of law; due service; in due time.

4. (a.) Appointed or required to arrive at a given time; as, the steamer was due yesterday.

5. (a.) Owing; ascribable, as to a cause.

6. (adv.) Directly; exactly; as, a due east course.

7. (n.) That which is owed; debt; that which one contracts to pay, or do, to or for another; that which belongs or may be claimed as a right; whatever custom, law, or morality requires to be done; a fee; a toll.

8. (n.) Right; just title or claim.

9. (v. t.) To endue.

according to Hoyle accountable accounts payable accounts receivable acknowledgment adequate alleged amount due ample anticipated appropriate appurtenance arrearage arrears ascribable assignable attributable attributed authority awaited back bad debts balanced barely sufficient bill bills birthright borrowing charged charges chits claim cognizance comeuppance coming coming to commensurate compensation competent condign conjugal right correct corresponding credit credited crediting dead dead ahead debt decent decorous defensible demand derivable from derivational derivative deserts deserved deserving direct directly divine right droit due north dueness dues earned enough entitled to entitlement equal to equitable even evenhanded expected explicable faculty fair fair and square financial commitment fit fitting floating debt foreseen forthright funded debt good good enough guerdon hoped-for imminent imputable imputed in a beeline in arrear in arrears in line with in prospect in view inalienable right indebtedness indebtment interest just justifiable justified kosher lawful legal level liability long-expected lust mature maturity meet meet and right merit merited meriting meritorious minimal minimum national debt natural right need nice normal normative obligation on the horizon outstanding outstanding debt overdue owed owing payable payment pledge plenty plenty good enough power prerogative prescription presumed presumptive right pretense pretension probable promised proper proper claim property right proportionate prospective public debt putative receivable recognition recompense recompensing redeemable referable referred to repayment reprisal requisite retaliation retribution revenge reward right right and proper righteous rightful rights satisfaction satisfactory score seemly square straight straight across straight ahead straightforward straightforwards straightly substantial sufficient sufficient for sufficing suitable title traceable uncollectibles undeviatingly unfulfilled pledge unpaid unsettled unswervingly unveeringly up to vengeance vested interest vested right warrantable warranted what is owing worthy of