Word parts change

pre- + caution

Pronunciation change

Noun change

Singular
precaution

Plural
precautions

  1. Precaution refers to previous care and caution taken to ensure safety.
    The father of the family took a gun out of his closet as a precaution against intruders during the night.

Related words change

Verb change

Plain form
precaution

Third-person singular
precautions

Past tense
precautioned

Past participle
precautioned

Present participle
precautioning

  1. (transitive) When you precaution someone, you warn the person of possible danger.
  2. (transitive) When you precaution something, you take measures to ensure your safety from it, to take precautions against it.