1. the practice of taking advantage of circumstances to gain immediate benefit regardless of planning or principles
2. the policy of adapting actions to circumstances in order to benefit oneself
Usage: often disapproving

Examples

• His opportunism led him to switch political parties when it became advantageous.
• The company’s opportunism during the crisis was criticized by many customers.
• She accused him of pure opportunism in his sudden support for the popular cause.
• Political opportunism often undermines long-term policy goals.
• The investor’s opportunism paid off when he bought stocks during the market crash.
• Critics saw her career moves as opportunism rather than genuine conviction.