blue pill

noun

Synonym of blue mass (“pill of prepared mercury”).

Opposite

Meanings

nounblue pill (plural blue pills)

plural blue pills · alternative bluepill · alternative blue-pill

  1. historicalSynonym of blue mass (“pill of prepared mercury”).

    "[…] I'm getting old and it doesn't agree with me. I know I'll be fearfully cranky by the time I'm sixty. But perhaps all I need is a course of blue pills."

    1909, Lucy Maud Montgomery, chapter 27, in Anne of Avonlea
    1 more example

    He scarcely knew a single soul in the metropolis: and were it not for his doctor, and the society of his blue-pill, and his liver complaint, he must have died of loneliness.

    1848, William Makepeace Thackeray, chapter 3, in Vanity Fair

    Synonyms: blue mass

  2. slangA pill of sildenafil (Viagra), used to treat erectile dysfunction.

    Synonyms: bluey, little blue pill

verbblue pill (third-person singular simple present blue pills, present participle blue pilling, simple past and past participle blue pilled)

present singular third person blue pills · participle present blue pilling · participle past blue pilled · past blue pilled · alternative bluepill · alternative blue-pill

  1. transitiveTo reject the red pill philosophy.

    Antonyms: red pill

Synonyms & antonyms

nounSynonym of blue mass (“pill of prepared mercury”).

Similar

nounA pill of sildenafil (Viagra), used to treat erectile dysfunction.

nounRejection of the red pill philosophy.

Opposite

verbTo reject the red pill philosophy.

Opposite

Origin

(rejection of the red pill): From a scene in the film The Matrix (1999), where the main character, who lives in a virtual world known as the Matrix, is given a choice between a red pill that will allow him to learn the truth about the Matrix and a blue pill that will return him to his simulated life.

Full word history & related roots →
Cite this entry
APA

blue pill. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/blue%20pill

MLA

“blue pill.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blue%20pill. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “blue pill,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/blue%20pill.

Source: blue pill on Wiktionary, CC BY-SA 4.0.