without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"
free from duties or responsibilities; "he writes in his leisure hours"; "life as it ought to be for the leisure classes"- J.J.Chapman; "even the artist and the sculptor were not regarded...as leisured men"- Ida Craven
(law) a formal notice filed with a court or officer to suspend a proceeding until filer is given a hearing; "a caveat filed against the probate of a will"