1. bac  masculine noun, 1st declension
    1.  barriernoun
    2.  blockagenoun
    3.  hindrancenoun
    4.  hurdlenoun
    5.  obstaclenoun
  2. bac  other
    1.  frustrateother
    2.  thwartother
  3. bac  transitive verb
    1.  hinderverb
    2.  impedeverb
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no smoking(sign)
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