Did you know?

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

sleeper - thesaurus entry

Close

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.

noun
  1. 1
    someone who is sleeping

    *American English synonyms or related words for this sense of sleeper*

  2. 2
    a train with beds for passengers to sleep in

    *American English synonyms or related words for this sense of sleeper*

    1. a.
      a railroad car that has beds in it for passengers to sleep in

      *American English synonyms or related words for this sense of sleeper*

    2. b.
      one of the beds on a train

      *American English synonyms or related words for this sense of sleeper*

  3. 5
    British a ring that you wear in your ear to prevent the hole from closing

    *American English synonyms or related words for this sense of sleeper*

  4. 6

    sleepers

    American clothes for babies and children to wear to bed that cover all of their body including their feet

    *American English synonyms or related words for this sense of sleeper*

phrases

vocal fry

a speech habit in which a speaker lowers their voice at the end of a sentence

BuzzWord Article

Word of the Day Word of the Day

dray

a type of cart pulled by a horse and used in the past for carrying barrels of beer

Open Dictionary

conflict mineral

a mineral which is mined in a place where there is armed conflict, and sold to help pay for weapons

add a word

Blog

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