smoothness

C2+ Topic:Describing Qualities

US /ˈsmuðnəs/ UK /ˈsmuːðnəs/ See IPA manual

noun

Meanings

1

noun
the quality of being even, free of roughness, or untroubled

The smoothness of the sauce came from long, patient stirring.

Thesaurus

Synonyms

1 noun · the quality of being even,... evennesssleeknessfluency polish suavity flatness

Opposites

roughness coarseness unevenness harshness

Word family

Related forms smoothsmoothen

Etymology

From smooth + -ness. The adjective smooth derives from Old English smōth (a variant of smēthe, 'free from roughness, even'), of uncertain further origin.

smōth Old English

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

# smoothness

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** ˈsmuðnəs
**IPA (UK):** ˈsmuːðnəs

## Meanings
1. the quality of being even, free of roughness, or untroubled

## Examples
- The smoothness of the sauce came from long, patient stirring.

## Synonyms
- evenness
- sleekness
- fluency
- polish
- suavity
- flatness

## Antonyms
- roughness
- coarseness
- unevenness
- harshness

## Related Forms
- smooth
- smoothen

## Roots and Affixes
- Root: smōth

## Etymology
From smooth + -ness. The adjective smooth derives from Old English smōth (a variant of smēthe, 'free from roughness, even'), of uncertain further origin.

## AI Etymology
Smoothness comes from smooth + -ness. The adjective smooth derives from Old English smōth (a variant of smēthe, 'free from roughness, even'), of uncertain further origin. The historical chain includes Old English smōth. Older glosses in the chain include "free from roughness, even", which help explain the semantic range of the modern word. Morphologically, smoothness is best read as compound, suffixal formation, borrowing, and uncertain formation, yielding an English noun shaped by both form history and later usage. In current English it functions as a noun, with the sense "the quality of being even, free of roughness, or untroubled". related forms include smooth and smoothen. The result is an English noun whose etymology preserves the older forms while supporting the word's specialized modern meaning.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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smoothness

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