Synonyms|350Antonyms|55|Broader|6Narrower|1Related|123

100 entries under adjective topic. ×

3
inadvertent(unplanned, unintentional, accidental, unintended)
3
serendipitous(chance, lucky, unplanned, accidental)
3
uncalculated(secret, unexpected, surprising, unanticipated)
3
undesigned(intention, unplanned, unintentional, accidental)
3
unheralded
3
unintended(chance, intention, unplanned, unintentional)
3
unsought
2
arbitrary
2
exceptional
2
fluky(chance, lucky, liable, unplanned)
2
freak
2
incalculable(limitless, countless)
2
lucky
2
rapid(violent, fast, quick, abrupt)
2
rash(violent, fast, quick, abrupt)
2
snappy
2
undevised(unplanned, unintentional, accidental, inadvertent)
2
unwitting(unplanned, accidental, inadvertent)
1
coincidental(unintentional, unintended)
1
from left field(expression, shocking, secret, astonishing)
For more, visit Unforeseen on Power Thesaurus
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). unforeseen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unforeseen/thesaurus/synonyms
ChicagoSmart Define. 2015. "unforeseen thesaurus" https://smartdefine.org/unforeseen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unforeseen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unforeseen/thesaurus/synonyms>.
MLASmart Define. "unforeseen thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/unforeseen/thesaurus/synonyms>