Synonyms of iffy in English:

iffy


See US English definition of iffy

See UK English definition of iffy

See Spanish definition of dudoso

adjective

1‘the windscreen's a bit iffy, but it's a good car’

SYNONYMS
substandard, second-rate, low-grade, low-quality, of low quality, of poor quality
doubtful, dubious, questionable
informal not up to much
British informal dodgy, ropy, not much cop
US informal farkakte
ANTONYMS

perfect

2‘that date is a bit iffy’

SYNONYMS
tentative, undecided, unsettled, unsure, unreliable, unresolved, in doubt, in the balance
informal up in the air
ANTONYMS

settled