truth serum

Definitions of truth serum
  1. noun
    an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely
    synonyms: truth drug
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    types:
    amobarbital
    a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant
    Pentothal, thiopental, thiopental sodium, thiopentobarbital sodium
    barbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly; induces a relaxed state when injected as a general anesthetic
    Amytal, amobarbital sodium, blue, blue angel, blue devil
    the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
    type of:
    intravenous anesthetic
    an anesthetic that produces anesthesia when injected into the circulatory system
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