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Synonyms of smoothness in English:
smoothness
See US English definition of smoothness
See UK English definition of smoothness
See Spanish definition of suavidad
noun
1‘the smoothness of the road surfaces’
unevenness, roughness
2‘his dress shirt gleamed white against the tanned smoothness of his freshly shaved skin’
roughness, hirsuteness
3‘the strength of glass is usually down to its surface smoothness’
dullness
4‘this fat substitute has the smoothness associated with fat’
lumpiness
5‘the smoothness of the sea’
roughness, choppiness
6‘the engine has a V12-style smoothness’
irregularity, jerkiness
7‘this system was cumbersome but worked with reasonable smoothness’
trouble
8‘the strength of champagne is belied by its smoothness of flavour’
9‘the smoothness of the sounds’
raucousness
10‘she was irritated by his smoothness’
gaucheness