Definition of "not worth a dime" in English

Adjective

1. Worthless or nearly so: lacking in value.

   • This vase is not worth a dime. Why did you pay so much for it?
   • His opinions aren't worth a dime.

2. Used other than figuratively or idiomatically: see not,‎ worth,‎ a,‎ dime: worth less than ten cents, at any value down to and including zero (nothing).