Synonyms and related words :
aimless, back-burner, casual, cursory, depthless, designless, dinky, dispensable, empty, few, footling, garbled, immaterial, importless, inane, inappreciable, inconsequential, inconsiderable, inessential, inferior, insubstantial, irrelevant, lesser, light, little, low, meager, meaningless, miniature, minor, minute, negligible, niggling, no great shakes, nonconnotative, nondenotative, nonessential, not vital, nugatory, null, paltry, petit, petty, phatic, picayune, picayunish, piddling, pointless, puny, purportless, purposeless, scrambled, secondary, senseless, shallow, shoestring, short, skin-deep, small, small-beer, small-fry, small-time, superficial, technical, tiny, trifling, trivial, unessential, unimportant, unimpressive, unmeaning, unnoteworthy, unsignificant, unsubstantial