4
trouble(noun, situation, problem, happening)
4
unhappiness(noun, trouble, situation, problem, happening)
3
rotten luck(noun, expression, problem, misfortune, happening)
3
mischief(noun, trouble, situation, problem, happening)
2
tough luck(expression, idiom, problem, misfortune, happening)
2
vicissitude(noun, problem, misfortune, happening, fortune)
2
be bad luck on somebody(expression, idiom, fail, problem, misfortune)
2
be down on luck(expression, idiom, fail, problem, misfortune)
2
be out of luck(expression, idiom, fail, problem, misfortune)
2
break a leg(expression, idiom, fail, problem, misfortune)
2
purpose(noun, fail, idea, thought)
2
aim(noun, trouble, woe, problem)
2
arrangement(noun, trouble, woe, problem)
2
bad break(expression, misfortune, happening, fortune)
2
break down(expression, misfortune, happening, fortune)
2
hard lines(expression, misfortune, happening, fortune)
2
ill luck(expression, misfortune, happening, fortune)
2
ill success(expression, misfortune, happening, fortune)
1
misadventure(noun, trouble, failure, situation, problem)
1
design(noun, fail, idea, thought)
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APASmart Define. (2016). serendipity thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/serendipity/thesaurus/antonyms
ChicagoSmart Define. 2016. "serendipity thesaurus" https://smartdefine.org/serendipity/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, serendipity thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/serendipity/thesaurus/antonyms>.
MLASmart Define. "serendipity thesaurus" 25 February 2016. Web. 26 September 2026. <https://smartdefine.org/serendipity/thesaurus/antonyms>