frivolous vs well-defined

frivolous

adj
  • Having no reasonable prospect of success because its claim is without merit, lacking a supporting legal or factual basis, while the filing party is, or should be, aware of this. 

  • Of little weight or importance; not worth notice; slight; trivial. 

  • Silly, especially at an inappropriate time or in an inappropriate manner. 

well-defined

adj
  • Accurately and precisely described or specified 

  • Having a clean and distinct outline 

  • Defined in an unambiguous and consistent way: specifically, such that any two objects implied to be identical are indeed identical. 

How often have the words frivolous and well-defined occurred in a corpus of books? (source: Google Ngram Viewer )