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certain

From Wiktionary
certain is on the Basic English 850 List.
cause - certain - chain
certain is one of the 1000 most common headwords.
centre - certain - chair

Pronunciation

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Adjective

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Positive
certain

Comparative
more certain

Superlative
most certain

Certain is on the Academic Vocabulary List.
  1. If you are certain of something, you believe it to be true without doubt.
  2. If something is certain, it will happen without doubt.
  3. If you make certain of something, you check that it is true or correct.

Synonyms

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Determiner

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Determiner
certain

  1. (indefinite) (plural) Used to talk about groups or individuals without saying exactly which ones.
    Certain problems can be solved with very simple maths.
    Certain of the members did not agree.

Synonyms

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