adulterating

/əˈdʌltəˌreɪtɪŋ/
verb
  1. Making something impure or weaker by adding a substance that is not as good.
    • He was caught adulterating the medicine with a filler.
    • Adulterating milk with water is illegal in many countries.
    • The company was fined for adulterating its olive oil with cheaper oils.
What does "adulterating" mean? | whatsthatwordmean | whatsthatwordmean