Did you know?

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

gestation - 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.

noun [uncountable] gestation pronunciation in British English /dʒeˈsteɪʃ(ə)n/
  • Facebook
  • Twitter
  1. 1
    biology the time during which a human or animal baby develops inside its mother, or the process by which this happens
    gestation period (=the time gestation takes):

    Human infants have a gestation period of nine months.

  2. 2
    the development in your mind of an idea or plan, before you talk about it to other people

derived word


 gestation pronunciation in British English /dʒeˈsteɪt/ verb
Word Forms
present tense
present participlegestating
past tensegestated
past participlegestated

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