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caution

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verb [transitive] British English pronunciation: caution /ˈkɔːʃ(ə)n/ 
Word Forms
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present tense
I/you/we/theycaution
he/she/itcautions
present participlecautioning
past tensecautioned
past participlecautioned

Related dictionary definitions

  1. 1
    formal to tell someone about a danger or problem that they need to know about or avoid. In ordinary speech, it is more usual to say that you warn someone
    caution that:

    Researchers cautioned that the drug is only partly effective.

    caution (someone) against something:

    The judge cautioned them against taking the law into their own hands.

    The report cautions against over-optimistic expectations.

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