微微たる

(1) 数、量、大きさまたは範囲が制限された、あるいは平均以下の(limited or below average in number or quantity or magnitude or extent; "a little dining room"; "a little house"; "a small car"; "a little (or small) group")(limited or below average in number or quantity or magnitude or extent)

⇒少ない（小さい）グループ(limited or below average in number or quantity or magnitude or extent)

(2) 量、品質または範囲が、不十分な(deficient in amount or quality or extent; "meager resources"; "meager fare")(deficient in amount or quality or extent)

⇒粗食(deficient in amount or quality or extent)

(3) 量または程度が小さいそれほどない、ほとんどない、（冠詞の「a」の場合）ちょっとある((quantifier used with mass nouns) small in quantity or degree; not much or almost none or (with `a') at least some; "little rain fell in May"; "gave it little thought"; "little time is left"; "we still have little money"; "a little hope remained"; "there's slight chance that it will work"; "there's a slight chance it will work")(small in quantity or degree)(not much or almost none or (with `a') at least some)

⇒それがうまくいく見込みは薄い(not much or almost none or (with `a') at least some)

(4) 微小で重要でない((informal) small and of little importance; "a fiddling sum of money"; "a footling gesture"; "our worries are lilliputian compared with those of countries that are at war"; "a little (or small) matter"; "a dispute over niggling details"; "limited to petty enterprises"; "piffling efforts"; "giving a police officer a free meal may be against the law, but it seems to be a picayune infraction")(small and of little importance)

⇒警官に無料の食事を与えることは違法かもしれないが、それはごく小さな違反だろう(small and of little importance)