Synonyms of 'fluky'
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An accidental event happens by chance or as the result of an accident, and is not deliberately intended.
His hand brushed against hers; it could have been accidental.
Something that is chancy involves a lot of risk or uncertainty.
Investment is becoming a chancy business.
Thesaurus for fluky from the Collins English Thesaurus
done or gained by an accident , esp a lucky one