Noun truth drug has 1 sense
  1. truth serum, truth drug - an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely
    --1 is a kind of intravenous anesthetic
    --1 has particulars:
     amobarbital; thiopental, thiopental sodium, thiopentobarbital sodium, Pentothal
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