adjective
unplanned
adjective
1
Not intended or arranged in advance.
"The trip took an unplanned detour after the bridge closed."
"Their pregnancy was unplanned but welcomed all the same."
How to Use Unplanned
Learner’s notesIn plain EnglishHappening without being arranged ahead of time.
Common pairings
unplanned pregnancy
unplanned detour
unplanned expense
Word Forms
more unplanned comparative, most unplanned superlative
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The trip took an _____ detour after the bridge closed.
Etymology
From un- + planned.