fishy

/ˈfɪʃi/
adjective
  1. Smelling or tasting like fish.
    • The kitchen had a fishy odor after cooking salmon.
    • This leftover tuna sandwich tastes a bit fishy.
    • She wrinkled her nose at the fishy smell coming from the market.
  2. Causing suspicion or doubt; not honest or trustworthy.
    • The deal seemed fishy, so they decided not to sign the contract.
    • His explanation for being late sounded fishy to me.
    • There's something fishy about that email asking for your password.
Antonyms
What does "fishy" mean? | whatsthatwordmean | whatsthatwordmean