Difference between Frivolous and Vexatious

FRIVOLOUS vs VEXATIOUS: ADJECTIVE

Unworthy of serious attention; trivial.
Inappropriately silly.
Of little weight or importance; not worth notice; slight.
Given to trifling; marked with unbecoming levity; silly; interested especially in trifling matters.
Not serious in content or attitude or behavior
Silly, especially at an inappropriate time or in an inappropriate manner.

Of little weight, worth, or importance; not worth notice; slight; trifling; trivial: as, a frivolous argument; a frivolous objection or pretext.
Given to trifling; characterized by unbecoming levity; silly; weak.
Specifically, in law, so clearly insufficient as to need no argument to show its weakness: as, a frivolous answer or plea.

Full of trouble or disquiet.
Causing vexation, annoyance, trouble, or the like; teasing; annoying; troublesome: as, a vexatious neighbor; a vexatious circumstance.

Vexatious, Light minded, Light headed, Featherbrained, Empty headed, Flyaway, Light, Dizzy, Idle, Giddy, Flighty, Airheaded, Flippant, Trivial, Silly

Unwarranted, Frivolous, Plaguey, Plaguy, Teasing, Nettlesome, Pesky, Vexing, Pestiferous, Pestering, Galling, Disagreeable, Bothersome, Annoying, Irritating

Vexatious, Light minded, Light headed, Featherbrained, Empty headed, Flyaway, Light, Dizzy, Idle, Giddy, Flighty, Airheaded, Flippant, Trivial, Silly

Unwarranted, Frivolous, Plaguy, Plaguey, Teasing, Nettlesome, Pesky, Vexing, Pestiferous, Pestering, Galling, Disagreeable, Bothersome, Annoying, Irritating

The Prison Litigation Reform Act is working effectively to control frivolous prisoner litigation across the board, without barring meritorious claims equally with frivolous ones.
Up and down the line are borderline frivolous sometimes at best and outright frivolous at worst.
The example given is that of filing a frivolous pleading as instructed; there would be no liability unless the subordinate knew it was frivolous.
In determining whether an appeal is frivolous, this court may consider whether other state courts have determined similar claims to be frivolous.
She insulted the new attorney in email and frustrated me with frivolous filing after frivolous filing.
Frivolous spending is frivolous spending, no matter how you look at it.
Stop Frivolous Lawsuits Act, seems to have discovered a new fundraising tool: frivolous lawsuits.
Frivolous conduct includes the making of a frivolous motion for costs or sanctions under this section.
The female voice was deemed frivolous, frivolous bubble even, trivial chatter and dignified drivel.
Claims of Privileges Made for Frivolous Purposes Most claims made for frivolous purposes are at the same time substantively frivolous.

Would we wish to visit such vexatious behavior on others?
A threshold could be set to prevent 'vexatious complaints'.
This might include issues that were vexatious or frivolous.
To protect staff members from vexatious or misguided allegations.
The request must not be vexatious or repeated.
Other possible mechanisms for dealing with vexatious proceedings.
Registrar that your complaint was frivolous or vexatious.
It was a position of much vexatious toil.
More vexatious types would be shown the door.
Once a court has found that the plaintiff is a vexatious litigant, the court may issue two different types of vexatious litigant orders.

Does New Zealand have statutory measures to deal with vexatious civil proceedings?
What happens if you bring a vexatious claim against an employer?
How many people have been declared vexatious litigants in Australia?
Where can I farm haunting&vexatious memories of the dying?
Can the High Court impose restrictions on vexatious proceedings?
How should an employer deal with a vexatious complaint?
Are the claims against Mr Turner'vexatious'and inaccurate?
Can the Employment Tribunal help with vexatious cases?
Is Condominium Authority Tribunal (CAT) a vexatious claim?
What constitutes a frivolous or vexatious observation?