Of little weight or importance; not worth notice; slight; trivial.
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.
Silly, especially at an inappropriate time or in an inappropriate manner.
Lacking personal depth and substance; conceited, vain, shallow, superficial.
Having length, but no width, height or depth.
Lacking depth or believability; flat.