hole in corner

/ˈhoʊl ɪn ˈkɔːrnər/
adjective
  1. Secret, hidden, or done in a way that avoids notice; often suggesting something dishonest or sneaky.
    • They made a hole-in-corner deal that no one knew about.
    • The committee's hole-in-corner meeting raised suspicions among the members.
    • He preferred hole-in-corner methods rather than open negotiations.
Antonyms
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