due

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Payable immediately or on demand.
2. adj. Owed as a debt; owing: the amount still due.
3. adj. In accord with right, convention, or courtesy; appropriate: due esteem; all due respect.
4. adj. Meeting special requirements; sufficient: We have due cause to honor them.
5. adj. Expected or scheduled, especially appointed to arrive: Their plane is due in 15 minutes.
6. adj. Expected to give birth.
7. adj. Anticipated; looked for: a long due promotion.
8. adj. Expecting or ready for something as part of a normal course or sequence: We're due for some rain. This batter is due for another hit.
9. adj. Capable of being attributed. See Usage Note at due to.
10. n. Something owed or deserved: You finally received your due.
11. n. A charge or fee for membership, as in a club or organization.
12. adv. Straight; directly: Go due west.
13. adv. Archaic Duly.

Century Dictionary and Cyclopedia

1. Owed; payable as an obligation; that may be demanded” as a debt: as, the interest falls due next month.
2. Owing by right of circumstances or condition; that ought to be given or rendered; proper to be conferred or devoted: as, to receive one with due honor or courtesy.
3. According to requirement or need; suitable to the case; determinate; settled; exact: as, he arrived in due time or course.
4. That is to be expected or looked for; under engagement as to time; promised: as, the train is due at noon; he is due in New York tomorrow.
5. Owing; attributable, as to a cause or origin; assignable: followed by to: as, the delay was due to an accident.
6. In law:
7. Owing, irrespective of whether the time of payment has arrived: as, money is said to be due to creditors although not yet payable.
8. Presently payable; already matured: as, a note is said to be due on the third day of grace.
9. n. That which is owed; that which is required by an obligation of any kind, as by contract, by law, or by official, social, or religious relations, etc.; a debt; an obligation.
10. n. Specifically.
11. n. Any toll, tribute, fee, orother legal exaction: as, custora-house dues; excise dues.
12. n. Right; just title.
13. Directly; exactly: only with reference to the points of the compass: as, a due east course.
14. To endue; endow.

Wiktionary

1. adj. Owed or owing
2. adj. Appropriate.
3. adj. Scheduled; expected.
4. adj. Having reached the expected, scheduled, or natural time
5. adv. used with compass directions Directly; exactly.
6. n. Deserved acknowledgment.
7. n. A membership fee.

GNU Webster's 1913

1. adj. Owed, as a debt; that ought to be paid or done to or for another; payable; owing and demandable.
2. adj. Justly claimed as a right or property; proper; suitable; becoming; appropriate; fit.
3. adj. Such as (a thing) ought to be; fulfilling obligation; proper; lawful; regular; appointed; sufficient; exact.
4. adj. Appointed or required to arrive at a given time.
5. adj. Owing; ascribable, as to a cause.
6. adv. Directly; exactly.
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. obsolete To endue.

WordNet 3.0

1. adj. scheduled to arrive
2. adv. directly or exactly; straight.
3. adj. suitable to or expected in the circumstances
4. adj. capable of being assigned or credited to
5. n. a payment that is due (e.g., as the price of membership)
6. n. that which is deserved or owed
7. adj. owed and payable immediately or on demand