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English definition of “smooth”

smooth

adjective [-er/-est only]  /smuð/ us  

smooth adjective [-er/-est only] (REGULAR)

having a surface or substance that is perfectly regular and has no holes or lumps or areas that rise or fall suddenly: a smooth surface Mix together the butter and sugar until smooth. The baby’s skin is so smooth!

smooth adjective [-er/-est only] (NOT INTERRUPTED)

happening without any sudden changes, interruption, inconvenience, or difficulty: a smooth ride/flight The bill had a smooth passage through both houses of Congress.

smooth adjective [-er/-est only] (POLITE)

polite, confident, and persuasive, esp. in a way that lacks sincerity: I trust an honest face more than a smooth talker.

smooth

verb [T]  /smuð/ us  

smooth verb [T] (MAKE EASIER)

to remove difficulties and make something easier to do: We must do more to smooth the country’s path to democratic reform.

smooth verb [T] (MAKE REGULAR)

to make something perfectly flat or regular: Use fine sandpaper to smooth the surface before varnishing. She smoothed the wrinkles from her skirt.
(Definition of smooth from the Cambridge Academic Content Dictionary © Cambridge University Press)
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