Did you know?

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

weak

 - definition
 
 
 
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.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
adjective British English pronunciation: weak /wiːk/ 
Word Forms
Close
adjectiveweak
comparativeweaker
superlativeweakest
 
  1. 1
    a person who is weak does not have much physical strength or energy

    The illness had left him too weak to speak.

    1. a.
      part of your body that is weak is not as strong or healthy as it should be

      Weak stomach muscles can lead to back problems.

      He has always had a weak heart.

  2. 3
    a weak person is one who does not have much determination and can be easily persuaded to do something that they do not want to do

    I was feeling weak and agreed to go.

    He had a weak character, but not an evil one.

  3. 4
    bad in quality

    They can always improve by working on their weak points.

    weak on:

    The report was criticized for being weak on detail.

    1. a.
      a weak player, performer etc is one who is not good at playing, performing etc

      If you are a weak speller, someone should check the letter.

  4. 6
    a weak argument or idea is one that you can easily criticize or prove to be wrong

    The case is weak because it is based on very little real evidence.

    The Scottish Secretary gave a very weak answer.

    on weak ground:

    They were on weak ground, with no precedents for their action.

    weak point/spot:

    They exploited the weak points in their opponents' defences.

    1. b.
      economics a weak economy or currency is one that does not have as much value as a strong one
      weak against:

      The pound grew weaker against the dollar.

  5. 7
    a weak liquid contains a lot of water and not much of a substance that gives it taste or strength

    She makes the tea too weak.

    a weak solution of hydrochloric acid

phrase

Word of the Day

resurrection

the occasion on which Jesus Christ was brought back to life after his death, according to the Bible

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