Did you know?

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

secure - 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.

adjective secure pronunciation in British English /sɪˈkjʊə(r)/
  • Facebook
  • Twitter
  1. 1
    safe from attack, harm, or damage

    Make your home more secure with our burglar alarm system.

    secure against:

    No shop can be completely secure against theft.

    secure from:

    The computer system is secure from intruders.

  2. 2
    fastened firmly, in a safe way

    Make sure the pictures are secure.

    Synonyms and related words
    Synonyms and related words
  3. 3
    feeling confident and safe

    The important thing is that children feel secure about being loved.

    1. a.
      in a situation where you do not need to worry
      financially secure:

      Everyone wants to be financially secure in retirement.

derived word


 secure pronunciation in British English adverb

Please make sure that your seat belt is securely fastened.



used to describe something which is done more carefully and over a longer period of time …

BuzzWord Article

Open Dictionary


the practice of giving birth in the presence of several friends and relatives

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