nounnounadjective

l’imprévisible

unpredictable

Definition & meaning

Imprévisible means unpredictable: impossible or difficult to predict in advance. It can describe events, behavior, people, or circumstances.

  • Un temps imprévisible — unpredictable weather.
  • Elle est imprévisible — She is unpredictable.

Grammar & Word origin

It is an adjective with the same form in the masculine and feminine singular: imprévisible. The plural is imprévisibles.

It is formed from the negative prefix im- and prévisible (“predictable”), ultimately related to prévoir (“to foresee”).

Synonyms & antonyms

Synonyms

  • imprédictible — unpredictable; more technical or formal.
  • inattendu — unexpected; emphasizes that something was not anticipated, rather than that it could not have been predicted.

Antonyms

  • prévisible — predictable; able to be foreseen.
  • prévisible — foreseeable or expected.

Common phrases & collocations

  • un événement imprévisible — an unpredictable event
  • un comportement imprévisible — unpredictable behavior
  • des conséquences imprévisibles — unpredictable consequences

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Examples

Parfois la météo devient imprévisible.adjective

Sometimes the weather becomes unpredictable.

Sa réaction était tout à fait imprévisible lors de notre dernière discussion.adjective

His reaction was completely unpredictable during our last discussion.

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