Meanings
nounzombie effect (plural zombie effects)
plural zombie effects
- medicineA cluster of personality changes caused by the extrapyramidal effects of the medication haloperidol, mimicking parkinsonism, hypomimia, bradykinesia, and flat affect.
Cite this entry
APA
zombie effect. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/zombie%20effect
MLA
“zombie effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/zombie%20effect. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “zombie effect,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/zombie%20effect.
Source: zombie effect on Wiktionary, CC BY-SA 4.0.