Definition of Trivial

Adjective: trivial tree-vee-ul

(informal) small and of little importance
"a trivial sum of money";
- fiddling, footling, lilliputian, little, niggling, piddling, piffling, petty, picayune [N. Amer], piddly
Of little substance or significance
"only trivial objections";
- superficial
Concerned with trivialities
"a trivial young woman"; "a trivial mind"