Meaning of TRIVIAL in English
triv ‧ i ‧ al /ˈtrɪviəl/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Latin ; Origin: trivialis 'found everywhere, common' , from trivium 'place where three roads meet, crossroads' , from tri- + via 'way' ]
not serious, important, or valuable
trivial problem/matter/complaint etc
We were punished for the most trivial offences.
a trivial sum
Her feelings for Simon seemed trivial by comparison.
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▪ unimportant not important:
The exact details are unimportant.
Girls' education was seen as unimportant.
▪ of no/little importance not important, or not very important. These phrases sound a little more formal than unimportant :
If you're capable of doing the job, your age is of no importance.
It's of little importance whether or not this story is true.
▪ minor small and not very likely to have an important effect - used especially about changes, problems, injuries, damage, or differences:
I've made a few minor changes.
The driver suffered minor injuries.
These are just minor problems.
▪ trivial very unimportant and not worth worrying about or spending time on:
They had a disagreement about some trivial matter.
She tends to get upset about trivial things.
▪ insignificant very small and unimportant, especially when compared to other things:
Her own problems seemed insignficant.
The amount of carbon they produce is relatively insignificant.
▪ negligible extremely small and not important - used especially about effects, amounts, differences, or risks:
So far, the program has had a negligible effect.
The difference in price is negligible.
▪ secondary not as important as something else:
These issues are of secondary importance.
For many women, a career is secondary to being mother.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012