Synonyms of the word

fluky

• adj. Alternative spelling of flukey.

chancy

• adj. uncertain, risky, hazardous.
• adj. subject to chance; random.

flukey

• adj. lucky.
• adj. unstable, prone to rapid and unpredictable changes.

iffy

• adj. (slang) Of dubious authenticity, legitimacy or legality.
• adj. Uncertain or chancy.

uncertain

• adj. Not certain; unsure.
• adj. Not known for certain; questionable.
• adj. Not yet determined; undecided.
• adj. Variable and subject to change.
• adj. Fitful or unsteady.
• adj. Unpredictable or capricious.
• n. (with "the") Something uncertain.