scummy

/ˈskʌmi/
adjective
  1. Covered with or resembling a layer of dirt or froth on the surface of a liquid.
    • The pond looked scummy and smelled bad after the algae bloom.
    • The coffee left a scummy ring inside the mug.
    • He wiped the scummy film off the top of the old fish tank.
  2. Morally low, dishonest, or contemptible.
    • That scummy landlord refused to fix the broken heater all winter.
    • I can't believe he stole from his own grandmother—what a scummy thing to do.
    • The politician's scummy tactics turned many voters away.
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What does "scummy" mean? | whatsthatwordmean | whatsthatwordmean