Definitions

truth serum

[trooth seer-uhm] / ˈtruθ ˌsɪər əm /

NOUN

truth drug

Synonyms

WEAK

Pentothal scopolamine sodium pentothal thiopental sodium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As the YouTube hit demonstrates, hot sauce isn’t just for daredevils and masochists: It’s a truth serum.

From The Wall Street Journal • Nov. 20, 2025

The playfulness kicks in when George and Kathryn invite the other suspects over for a dinner spiced with garlic and truth serum.

From Los Angeles Times • Mar. 13, 2025

And if Carroll was given a dose of truth serum, the hunch here is he would acknowledge this as his most satisfying season in Seattle.

From Seattle Times • Jan. 9, 2023

Give fans truth serum now, and they might be more concerned about whether the Commanders will sign wide receiver Terry McLaurin to a long-term deal than about Young’s progress.

From Washington Post • Jun. 2, 2022

Maybe it isn’t possible to lie under the truth serum, but to select which version of the truth to tell: Four is his name, hut it is not his name.

From "Insurgent" by Veronica Roth