Did you know?

Click any word in a definition or example to find the entry for that word

smooth - definition and synonyms


What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

verb [transitive] smooth pronunciation in British English /smuːð/
Word Forms
present tense
present participlesmoothing
past tensesmoothed
past participlesmoothed
  1. 1
    to move your hand across the surface of something until it is flat and even
    smooth down/out:

    Frances sat smoothing her skirt down over her knees.

    smooth back:

    Seeing her, he quickly smoothed back his hair.

    1. a.
      to use a tool or special paper to make the surface of something very flat and even
      Synonyms and related words
  2. 2
    to carefully spread a substance over a surface

    Anne gently smoothed cream into the baby’s skin.

    Synonyms and related words

phrasal verbs

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play