Synonyms and related words :
average, back-burner, bourgeois, common, commonplace, conventional, dinky, dispensable, garden, garden-variety, immaterial, inappreciable, inconsequential, inconsiderable, inessential, inferior, insignificant, irrelevant, little, middle-class, minor, minute, negligible, no great shakes, nonessential, normal, not vital, ordinary, petit, plastic, regular, run-of-mine, run-of-the-mill, small, suburban, technical, unessential, unexceptional, unimpressive, unremarkable, unspectacular, usual