Impulsive, unpredictable, or subject to sudden changes of mood or decision


US English

UK English

Part of speech



fickle, whimsical, erratic, changeable, volatile, moody


consistent, reliable, steady, dependable, constant, predictable

Example sentences

  • The stock market was affected by the capricious decisions of investors, who were quick to buy and sell.
  • She was known for her capricious nature, changing her mind frequently and making impulsive decisions.
  • The weather was notoriously capricious, subject to sudden changes and unpredictability.


Capricious is used to describe someone or something that is impulsive, unpredictable, or subject to sudden changes of mood or decision. It is often used to describe a person’s behavior, mood, or decision-making process, and can be used to describe a general tendency or a specific situation. Capricious behavior can be seen as both a positive and a negative attribute, depending on the context. On one hand, capriciousness can lead to creative, spontaneous, or innovative thinking, as the person is not bound by convention or habit. On the other hand, capriciousness can also lead to inconsistency, unreliability, or indecision, making it difficult for others to know what to expect or to make plans. Ultimately, the impact of capricious behavior will depend on the situation, the person, and the goals or objectives involved