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.
Unavoidable, inevitable.
Required, essential, whether logically inescapable or needed in order to achieve a desired result or avoid some penalty.