1. mustard pungent powder or paste prepared from ground mustard seeds
  2. mistreat treat badly
  3. mastered understood perfectly
  4. abstract existing only in the mind
  5. maestro an artist of consummate skill
  6. bestride get up on the back of
  7. castrato a male singer who was castrated before puberty and retains a soprano or alto voice
  8. menstruate undergo menstruation
  9. muster out release from military service
  10. mistral a strong north wind that blows in France during the winter
  11. magistrate a lay judge or civil authority who administers the law
  12. yesterday the day immediately before today
  13. strait a narrow channel joining two larger bodies of water
  14. mistrust regard with suspicion
  15. mestranol a synthetic form of estrogen used in combination with a progestin in oral contraceptives
  16. castrate remove the testicles of a male animal
  17. Strad a violin made by Antonio Stradivari or a member of his family
  18. stride walk with long steps
  19. masquerade a party of guests wearing costumes and masks
  20. mistreated subjected to cruel treatment

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