あい 藍 Common word Wanikani level 60 LinksSentence search for 藍Sentence search for あいSentence search for アイKanji details for 藍Edit in JMdict Noun1. dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)Usually written using kana aloneNoun2. indigo (dye)See also インジゴNoun3. indigo (colour)See also 藍色Other formsアイ Discussions Log in to talk about this word.