17 entries under adjective topic. ×

3
sudden(unplanned, surprising, unforeseen, unanticipated)
3
surprising(sudden, unplanned, unforeseen, unanticipated)
3
unforeseen(sudden, unplanned, surprising, unanticipated)
3
unhoped-for(sudden, unplanned, surprising, unforeseen)
3
unplanned(sudden, surprising, unforeseen, unanticipated)
3
unscheduled(sudden, unplanned, surprising, unforeseen)
2
unanticipated(sudden, unplanned, surprising, unforeseen)
2
unhoped(sudden, unplanned, surprising, unforeseen)
2
unpredicted(sudden, unplanned, surprising, unforeseen)
2
unsuspected(sudden, unplanned, surprising, unforeseen)
2
unthought-of(sudden, unplanned, surprising, unforeseen)
1
forced(sudden, unplanned, surprising, unforeseen)
1
unannounced(sudden, unplanned, surprising, unforeseen)
1
unheralded(sudden, unplanned, surprising, unforeseen)
1
unlooked-for(sudden, unplanned, surprising, unforeseen)
1
unprovided for(sudden, unplanned, surprising, unforeseen)
1
unthought(sudden, unplanned, surprising, unforeseen)
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APASmart Define. (2015). out of the blue thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/out_of_the_blue/thesaurus/narrower
ChicagoSmart Define. 2015. "out of the blue thesaurus" https://smartdefine.org/out_of_the_blue/thesaurus/narrower (accessed September 29, 2026).
HarvardSmart Define 2015, out of the blue thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/out_of_the_blue/thesaurus/narrower>.
MLASmart Define. "out of the blue thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/out_of_the_blue/thesaurus/narrower>