32 entries under unplanned topic. ×

1
impromptu(adjective, simple, natural, chance, casual)
1
improvised(adjective, simple, natural, chance, casual)
1
odd(chance, haphazard, accidental, unpremeditated)
1
off-the-cuff(adjective, simple, natural, chance, casual)
1
offhand(adjective, simple, natural, chance, casual)
1
serendipitous(adjective, chance, unpremeditated)
0
by chance(expression, chance, unpremeditated)
0
infrequent(chance, unpremeditated)
0
irregular(chance, haphazard, accidental, unpremeditated)
0
not planned(expression, adjective, accidental, unintended)
0
occasional(chance, unpremeditated)
0
uncertain(adjective, chance, spontaneous, random)
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APASmart Define. (2015). unintentional thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unintentional/thesaurus/synonyms
ChicagoSmart Define. 2015. "unintentional thesaurus" https://smartdefine.org/unintentional/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unintentional thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unintentional/thesaurus/synonyms>.
MLASmart Define. "unintentional thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unintentional/thesaurus/synonyms>