31 entries under unplanned topic. ×

34
unexpected(adjective, great, excellent, shock, violent)
9
adventitious(adjective, chance, unintentional, accidental)
7
unintentional(adjective, chance, planned, intention)
5
incidental(adjective, chance, lucky, liable)
5
spontaneous(chance, accidental, unintended, unpremeditated)
5
unpremeditated(adjective, chance, intention, accidental)
3
inadvertent(adjective, unintentional, accidental, unintended)
3
serendipitous(adjective, chance, lucky, accidental)
3
undesigned(adjective, intention, unintentional, accidental)
3
unintended(adjective, chance, intention, unintentional)
2
fluky(adjective, chance, lucky, liable)
2
undevised(adjective, unintentional, accidental, inadvertent)
2
unwitting(adjective, accidental, inadvertent)
1
aimless(accidental, inadvertent)
1
extemporaneous(chance, accidental, unpremeditated, inadvertent)
1
haphazard(adjective, lucky, liable, dependent)
1
involuntary(accidental, inadvertent)
1
not planned(expression, idiom, accidental, unintended)
1
occasional(adjective, chance, unpremeditated)
1
odd(adjective, chance, lucky, liable)
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APASmart Define. (2015). unforeseen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unforeseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unforeseen thesaurus" https://smartdefine.org/unforeseen/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unforeseen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unforeseen/thesaurus/synonyms>.
MLASmart Define. "unforeseen thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unforeseen/thesaurus/synonyms>