This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Being unpaid when due: an overdue bill.

adj. Coming or arriving after the scheduled or expected time: an overdue train.

adj. Expected or required but not yet having come about.

adj. Being something that should have occurred earlier. See Synonyms at tardy.

adj. Late; especially, past a deadline or too late to fulfill a need.

adj. Due and more than due; delayed beyond the proper time of arrival, payment, return, etc.

Delayed or with-held beyond the usual or assigned time: as, an overdue ship.

Unpaid at the time assigned or agreed on: as, an overdue bill.

adj. past due; not paid at the scheduled time

"BTW while an eruption might be overdue the term overdue in geologic time could mean tomorrow or it could be 100,000+ years from now."

due   

accrued    late   

Baku    Blue    Cebu    Chengdu    Chou    Chu    Crewe    Drew    Ewe    Few   

weeks'    unpaid    preferable    yearly    long-overdue    semiannual    exorbitant    much-needed    overdraw    belated