unpredictable

• Décrit ce qui ne peut pas être prédit ou prévu ; souvent utilisé pour qualifier un comportement, la météo ou des résultats.

Describes something that cannot be predicted or anticipated; often used to refer to behavior, weather, or outcomes.

1. Cannot be predictedB2formal

   Not able to be known or guessed in advance; uncertain.

   Imprévisible

   • The weather in this region is highly unpredictable.
   • His reactions are often unpredictable, making him hard to read.
   • The stock market is known for being unpredictable.

   Synonymescapriciouschanceerraticficklehaphazardincalculableindeterminableirregularrandomuncertainunforeseeableunsteadyvolatile

   Antonymescalculablecertaindeterminableforeseeablepredictable

2. Unknown beforehandB2formal

   Not known or determined before it happens.

   imprévisible (au sens de non connu à l'avance)

   • The outcome of the experiment was completely unpredictable.
   • Her schedule is unpredictable, so it's hard to plan meetings.
   • The path of the storm remains unpredictable.

   Synonymesincalculableunanticipateduncertainunforeseeableunforeseenunknowableunlikely

   Antonymescertaindeterminableforeseeableknownpredictable

3. Irregular timingB2formal

   Not happening at expected or regular intervals.

   Irrégulier dans le temps

   • His unpredictable arrival times frustrated the team.
   • The bus service is unpredictable, often arriving late or early.
   • Her unpredictable sleep pattern affected her health.

   Synonymescapriciouschangeableerraticfitfulfluctuatinginconstantintermittentirregularrandomsporadicuncertainunforeseeableunstableunsteadyvariablevolatilewavering

   Antonymesconstantevenperiodicregularrhythmicsteady