truth serum

1. 1.

   an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely

   Synonymstruth drug

   Broaderintravenous anesthetic

   Narroweramobarbitalthiopental

Questions about truth serum

What does truth serum mean?

truth serum means "an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely".

What is another word for truth serum?

Close synonyms include truth drug. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is truth serum a common word?

truth serum is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.