Meanings
nounmodafinil (uncountable)
- uncountableA stimulant often used in the treatment of various sleep disorders, having the chemical formula C₁₅H₁₅NO₂S
In 2003, modafinil was approved by the United States Department of the Air Force as a ‘Go Pill’ for management of fatigue in certain aircrews.
2013, Barbara Sahakian, Jamie Nicole LaBuzetta, Bad Moves: How decision making goes wrong, and the ethics of smart drugs, OUP Oxford, →ISBN1 more example
Certain drugs such as modafinil, used to treat narcolepsy, have been shown to improve cognition and are becoming increasingly popular with students revising for exams.
2009 January 21, Arran Frood, “The future is now”, in Nature, volume 457, number 7228, →DOI
Cite this entry
APA
modafinil. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/modafinil
MLA
“modafinil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/modafinil. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “modafinil,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/modafinil.
Source: modafinil on Wiktionary, CC BY-SA 4.0.