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dumb (EN)
прилагательное, глагол

прилагательное “dumb”

dumb, сравн. dumber, превосх. dumbest
  1. глупый
    He felt dumb for forgetting his own phone number.
  2. глупый (идея)
    Buying the same book twice because you forgot you already owned it was dumb.
  3. немой
    In the 19th century, schools for the deaf taught dumb students to use their hands for communication.

глагол “dumb”

инфинитив dumb; он dumbs; пр. вр. dumbed; пр. прич. dumbed; гер. dumbing
  1. упрощать (снижая качество или точность)
    The publisher decided to dumb down the science textbook, fearing it was too complex for high school students.