Difference between Trivial and Frivolous

TRIVIAL vs FRIVOLOUS: NOUN

One of the three liberal arts which constitute the trivium.
A coefficient or other quantity not containing the quantities of the set considered.
One of the three liberal arts forming the trivium.

Found anywhere; common.
Of, relating to, or being the simplest possible case; self-evident.
Concerned with trivialities
Concerned with or involving unimportant matters; superficial.
Of little significance or value.
Obvious and dull
Not large enough to consider or notice
Of little substance or significance
(informal terms) small and of little importance
Of, relating to, or being the solution of an equation in which every variable is equal to zero.
(informal) small and of little importance
Indistinguishable in case of truth or falsity.
Pertaining to the trivium.
Ordinary; commonplace; trifling; vulgar.
Relating to or designating the name of a species; specific as opposed to generic.
Concerned with or involving trivia.
Common, ordinary.
The specific name.
Of or pertaining to the trivium.
Of little worth or importance; inconsiderable; trifling; petty; paltry.
Self-evident.

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

In echinoderms, specifically, of or pertaining to the trivium: as, the trivial (anterior) ambulacra of a sea-urchin.
Specific; not generic: noting what used to be called the nomen triviale—that is, the second or specific term in the binomial technical name of an animal or a plant, such terms being often adopted or adapted from a popular name or epithet.
In zoology and botany: Common; popular; vernacular; not technical: noting the popular or familiar names of animals or plants, as distinguished from the technical New Latin names.
Of or pertaining to the trivium, or the first three liberal arts—grammar, rhetoric, and logic; hence, initiatory; rudimentary.
Occupying one's self with trifles; trifling.
Trifling; insignificant; of little worth or importance; paltry.
Such as may be found everywhere; commonplace; ordinary; vulgar.

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

Fiddling, Niggling, Ordinary, Inconsiderable, Commonplace, Piffling, Superficial, Piddling, Frivolous, Petty, Footling, Picayune, Banal, Insignificant, Unimportant

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

Fiddling, Niggling, Ordinary, Inconsiderable, Commonplace, Piffling, Superficial, Piddling, Frivolous, Petty, Footling, Picayune, Banal, Insignificant, Unimportant

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

Just how trivial is that piece of me?
Way to bully publishers over something so trivial.
Indeed, I am quickly assigned several trivial tasks.
CPUs and my problem was trivial to parallelize.
It is the snobbishness of the young to suppose that a theorem is trivial because the proof is trivial.
Many many many years later, I still often make the mistake of assuming things that look trivial to me are also trivial to others.
What we found also is that they had a shortfall, and it seems trivial but it is not trivial, of personnel specialists.
While deploying Azure AD Directory Synchronization is generally a trivial exercise, establishing and maintaining a highly available ADFS infrastructure is not trivial.
What trivial, trivial stuff, interesting to hardly a soul under heaven, save only about three!
It is very trivial stuff, and when not trivial usually false.

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.