Definition of "overdue" []

• Being unpaid when due: an overdue bill. (adjective)
• Coming or arriving after the scheduled or expected time: an overdue train. (adjective)
• Expected or required but not yet having come about. (adjective)
• Being something that should have occurred earlier. See Synonyms at tardy. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "I also hate the term overdue, depending on your cycle a due date can be off several days."
• "But it would not pay the billions of dollars in overdue bills that have already built up."