Synonyms and related words :
immateriality, inconsequence, inconsequentiality, inconsiderableness, indifference, ineffectuality, inferior, inferiority, insignificance, irrelevance, littleness, marginal, marginality, negligibility, no great shakes, of no account, of no consequence, of no matter, of no significance, pettiness, picayune, picayunishness, pokiness, puniness, secondariness, secondary, slightness, smallness, unimportance, unimportant, unimpressiveness, unnoteworthiness