Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun truth_serum
1 sense of truth serum
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)
=> intravenous anesthetic -- (an anesthetic that produces anesthesia when injected into the circulatory system)