Meanings
nounill effect (plural ill effects)
plural ill effects · alternative ill-effect
- oftenpluralA detrimental or harmful effect.
All B.R. pallet vans have been withdrawn for modification; it has been found that the springing has suffered serious ill-effects from the activities of heavy fork-lift trucks inside the vehicles....
1961 July, “News in Brief”, in Trains Illustrated, page 392
Cite this entry
APA
ill effect. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ill%20effect
MLA
“ill effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ill%20effect. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “ill effect,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ill%20effect.
Source: ill effect on Wiktionary, CC BY-SA 4.0.