A really fast thesaurus... with lots of synonyms.
We don't have synonyms for niffed yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are miffed, riffed and sniffed.
We don't have any synonyms for niffed yet.
Think niffed belongs in the thesaurus? Recommend it and we'll take a look.