Meanings
adjectivesmileproof (comparative more smileproof, superlative most smileproof)
comparative more smileproof · superlative most smileproof
- informalrareUnable to be charmed by a smile.
Another smile. If ever they got around to inventing the smileproof vest, a smile like that would present a very substantial challenge.
2012, Tom Holt, You Don't Have to Be Evil to Work Here, But It Helps1 more example
The Personage, his face schooled to stoniness, never under any circumstances responded to the smile—these were superior and smileproof beings.
2016, Gladys Malvern, Curtain Going Up!: The Story of Katharine Cornell
Origin
Rhymes & wordplay
Anagrams
Cite this entry
APA
smileproof. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/smileproof
MLA
“smileproof.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/smileproof. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “smileproof,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/smileproof.
Source: smileproof on Wiktionary, CC BY-SA 4.0.