19 entries under unplanned topic. ×

7
adventitious(adjective, chance, fortunate, haphazard)
5
unintentional(adjective, chance, haphazard, accidental)
2
unexpected(uncertain, chance, unpredictable, liable)
2
unforeseen(chance, lucky, liable, unintentional)
1
serendipitous(adjective, chance, fortunate, lucky)
1
unintended(chance, unintentional, unpremeditated)
1
unpremeditated(chance, casual, random, haphazard)
0
by chance(expression, chance, unpremeditated)
0
erratic(chance, changeable, risky, random)
0
extemporaneous(chance, unpremeditated)
0
extempore(chance, unpremeditated)
0
impromptu(chance, unpremeditated)
0
improvised(chance, unpremeditated)
0
impulsive(chance, changeable, erratic, random)
0
infrequent(chance, unpremeditated)
0
occasional(chance, various, miscellaneous, unpremeditated)
0
off-the-cuff(chance, unpremeditated)
0
offhand(chance, unpremeditated)
0
spontaneous(chance, accidental, unpremeditated)
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APASmart Define. (2015). fluky thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fluky/thesaurus/synonyms
ChicagoSmart Define. 2015. "fluky thesaurus" https://smartdefine.org/fluky/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, fluky thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fluky/thesaurus/synonyms>.
MLASmart Define. "fluky thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/fluky/thesaurus/synonyms>