うす 薄める Common word JLPT N2 Wanikani level 42 Play audio Show inflections LinksSentence search for 薄めるSentence search for うすめるKanji details for 薄Edit in JMdict Ichidan verb, Transitive verb1. to dilute; to water down Jreibun くすり薬ののみあ飲み合わせが悪いとそれぞれの効果をうす薄めてしまうことがあるので気をつけたい。It is important to note that an incorrect combination of drugs may dilute the effect of each one. Discussions Log in to talk about this word.