1. the quality of being changeable or unreliable; lack of steadiness or faithfulness

Examples

• His inconstancy in relationships made it hard for him to maintain long-term friendships.
• The weather’s inconstancy made it difficult to plan outdoor activities.
• She was frustrated by her partner’s emotional inconstancy.
• The inconstancy of public opinion often surprises politicians.
• His inconstancy at work led to frequent job changes.
• The inconstancy of the stock market worried many investors.