smooth.
Having a texture that lacks friction. Not rough.
Meaning & usage
Having a texture that lacks friction. Not rough.
Without difficulty, problems, or unexpected consequences or incidents.
We hope for a smooth transition to the new system.
Bland; glib.
Flowing or uttered without check, obstruction, or hesitation; not harsh; fluent.
Suave; sophisticated.
Natural; unconstrained.
Unbroken.
Placid, calm.
Lacking projections or indentations; not serrated.
Not grainy; having an even texture.
Having a pleasantly rounded flavor; neither rough nor astringent.
Having derivatives of all finite orders at all points within the function’s domain.
That factors completely into small prime numbers.
Lacking marked aspiration.
Involuntary and non-striated.
Where this word comes from
Etymology tree Old English smōþ Middle English smothe Proto-West Germanic *smanþī Old English smēþe Middle English smethe English smooth From Middle English smothe, smethe, from Old English smēþe, smōþ, both from Proto-West Germanic *smanþī, of unknown origin. Cognate with Scots smuith (“smooth”), Saterland Frisian smoud (“smooth”), Low German smood and smödig (“smooth, malleable, ductile”), Dutch smeuïg (“smooth”) (from earlier smeudig).
Smoothly.
The paths true love never ran smooth(ly).
Where this word comes from
Etymology tree Old English smōþ Middle English smothe Proto-West Germanic *smanþī Old English smēþe Middle English smethe English smooth From Middle English smothe, smethe, from Old English smēþe, smōþ, both from Proto-West Germanic *smanþī, of unknown origin. Cognate with Scots smuith (“smooth”), Saterland Frisian smoud (“smooth”), Low German smood and smödig (“smooth, malleable, ductile”), Dutch smeuïg (“smooth”) (from earlier smeudig).
Something that is smooth, or that goes smoothly and easily.
A smoothing action.
A domestic animal having a smooth coat.
A member of an anti-hippie fashion movement in 1970s Britain.
The analysis obtained through a smoothing procedure.
Where this word comes from
Etymology tree Old English smōþ Middle English smothe Proto-West Germanic *smanþī Old English smēþe Middle English smethe English smooth From Middle English smothe, smethe, from Old English smēþe, smōþ, both from Proto-West Germanic *smanþī, of unknown origin. Cognate with Scots smuith (“smooth”), Saterland Frisian smoud (“smooth”), Low German smood and smödig (“smooth, malleable, ductile”), Dutch smeuïg (“smooth”) (from earlier smeudig).
To make smooth or even.
To reduce to a particular shape or form by pressure; to press, to flatten.
to smooth cloth with a smoothing iron
To make straightforward or easy.
To calm or palliate.
To capture important patterns in the data, while leaving out noise.
To stroke; especially to stroke an animal's fur.
Can I smooth your cat?
Where this word comes from
Etymology tree Old English smōþ Middle English smothe Proto-West Germanic *smanþī Old English smēþe Middle English smethe English smooth From Middle English smothe, smethe, from Old English smēþe, smōþ, both from Proto-West Germanic *smanþī, of unknown origin. Cognate with Scots smuith (“smooth”), Saterland Frisian smoud (“smooth”), Low German smood and smödig (“smooth, malleable, ductile”), Dutch smeuïg (“smooth”) (from earlier smeudig).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.