Meanings
adjectivesmooth as butter (not comparable)
- not comparableExtremely smooth.
"His talk is smooth as butter [...]
2011, Biblica, Holy Bible: New International Version, Grand Rapids, Mich.: Zondervan, →ISBN, Psalms 55:21
adverbsmooth as butter (not comparable)
- not comparableExtremely smooth.
Origin
Possibly from Psalm 55:21 in the Bible: "His talk is smooth as butter …"
Full word history & related roots →Cite this entry
APA
smooth as butter. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/smooth%20as%20butter
MLA
“smooth as butter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/smooth%20as%20butter. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “smooth as butter,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/smooth%20as%20butter.
Source: smooth as butter on Wiktionary, CC BY-SA 4.0.