1. [adjective] Owed or owing.
2. [adjective] Appropriate.
3. [adjective] Scheduled; expected.
4. [adjective] Having reached the expected, scheduled, or natural time.
5. [adjective] Owing; ascribable, as to a cause.
6. [adverb] (used with compass directions) Directly; exactly.
7. [noun] Deserved acknowledgment.
8. [noun] (in plural dues) A membership fee.
9. [noun] That which is owed; debt; that which belongs or may be claimed as a right; whatever custom, law, or morality requires to be done, duty.
10. [noun] Right; just title or claim.
11. [noun] That which is deserved or owed; 'give the devil his due'.
12. [noun] A payment that is due (e.g., as the price of membership); 'the society dropped him for non-payment of dues'.
13. [adverb] Directly or exactly; straight; 'went due North'.
14. [adjective] Owed and payable immediately or on demand; 'payment is due'.
15. [adjective] Scheduled to arrive; 'the train is due in 15 minutes'.
16. [adjective] Suitable to or expected in the circumstances; 'all due respect'; 'due cause to honor them'; 'a long due promotion'; 'in due course'; 'due esteem'; 'exercising due care'.
17. [adjective] Capable of being assigned or credited to; 'punctuation errors ascribable to careless proofreading'; 'the cancellation of the concert was due to the rain'; 'the oversight was not imputable to him'.