1. impersonator someone who (fraudulently) assumes the appearance of another
  2. depressant a drug that reduces excitability and calms a person
  3. presenter someone who presents a message of some sort
  4. cavity resonator a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
  5. defibrinate remove fibrin from (blood)
  6. precentor the musical director of a choir
  7. time signature a musical notation indicating the number of beats to a measure and kind of note that takes a beat
  8. defibrillator electronic device to restore the normal rhythm of the heart
  9. ten percent a tenth part; one part in ten equal parts
  10. barycenter (astronomy) the common center of mass around which two or more bodies revolve
  11. countersignature a second confirming signature endorsing a document already signed
  12. Tapirus indicus a tapir found in Malaya and Sumatra
  13. day care center a nursery for the supervision of preschool children while the parents work
  14. depressingly in a depressing manner or to a depressing degree
  15. vaporousness cloudiness resulting from haze or mist or vapor
  16. impersonate pretend to be someone you are not
  17. prison term the period of time a prisoner is imprisoned
  18. suppressant a drug that suppresses appetite
  19. vaticinator an authoritative person who divines the future
  20. depressing causing sad feelings of gloom and inadequacy

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.