of very little importance or value; insignificant:Don't bother me with trivial matters.
Biology[Biol.](of names of organisms) specific, as distinguished from generic.
noting a solution of an equation in which the value of every variable of the equation is equal to zero.
(of a theorem, proof, or the like) simple, transparent, or immediately evident.
Chemistry[Chem.](of names of chemical compounds) derived from the natural source, or of historic origin, and not according to the systematic nomenclature:Picric acid is the trivial name of 2,4,6-trinitrophenol.
Latin triviālis belonging to the crossroads or street corner, hence commonplace, equivalent. to tri-tri- + vi(a) road + -ālis -al1