unpredictable

• Descreve algo ou alguém que não pode ser previsto ou antecipado; costuma ser usado para falar de comportamento, clima ou resultados que mudam de forma inesperada.

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.

   Imprevisível

   • 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.

   Sinônimoscapriciouschanceerraticficklehaphazardincalculableindeterminableirregularrandomuncertainunforeseeableunsteadyvolatile

   Antônimoscalculablecertaindeterminableforeseeablepredictable

2. Unknown beforehandB2formal

   Not known or determined before it happens.

   Imprevisível

   • 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.

   Sinônimosincalculableunanticipateduncertainunforeseeableunforeseenunknowableunlikely

   Antônimoscertaindeterminableforeseeableknownpredictable

3. Irregular timingB2formal

   Not happening at expected or regular intervals.

   Irregular

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

   Sinônimoscapriciouschangeableerraticfitfulfluctuatinginconstantintermittentirregularrandomsporadicuncertainunforeseeableunstableunsteadyvariablevolatilewavering

   Antônimosconstantevenperiodicregularrhythmicsteady