fishily

/ˈfɪʃɪli/
adverb
  1. In a way that seems suspicious, dishonest, or untrustworthy.
    • The deal was fishily good to be true, so she decided not to sign.
    • The email fishily asked for her bank details, so she reported it as spam.
    • He acted fishily, looking over his shoulder and whispering on the phone.
Antonyms
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