unplanned

adjective

un·​planned ˌən-ˈpland 

: not expected or intended : not planned

an unplanned detour

an unplanned pregnancy

Synonyms of unplanned

• accidental
• unexpected

Examples of unplanned in a Sentence

an unplanned change in our itinerary—we got lost!

stumbled through a completely unplanned acceptance speech

Recent Examples on the Web

This unplanned impact will create an 89-foot crater and launch a significant debris plume. — Jamie Carter, Forbes.com, 31 July 2026

In some instances, planes will dump fuel or fly longer to burn off fuel before making an unplanned landing to avoid potential damage. — Colson Thayer, PEOPLE, 24 July 2026

White House officials told me that his comments on CNN about not supplying the weapons if Israel attacked Rafah had been unplanned and hadn’t reflected a formal decision. — David D. Kirkpatrick, New Yorker, 20 July 2026

The film unfolds in a devout fishing community on Malaysia’s East Coast, following two young lovers, Jani and Melur, whose plans for the future are upended by an unplanned pregnancy, poverty and addiction, pushing Jani toward the drug trade. — Naman Ramachandran, Variety, 19 July 2026

Word History

First Known Use

1775, in the meaning defined above

Rhymes for unplanned

• ampersand
• beforehand
• behindhand
• bottomland
• contraband
• countermand
• dixieland
• fairyland
• fatherland
• firebrand
• hinterland
• motherland