make sth worthless

Examples (10)

• These contradictions made his evidence worthless.
• The sudden market crash made their investments worthless overnight.
• His constant lies eventually made his promises worthless to everyone.
• Introducing a cheaper alternative could make the original product worthless.
• Lack of maintenance will quickly make this antique car worthless.
• The discovery of a new, abundant resource might make the existing rare metal worthless.
• A single mistake can make years of hard work worthless.
• The company's scandal effectively made its reputation worthless in the public eye.
• The criticism made his efforts seem worthless.
• The expiration date makes the coupon worthless after today.