やく 約 Common word JLPT N3 Wanikani level 14 Play audio Show 1 collocation 約を交わす - to exchange promises LinksSentence search for 約Sentence search for やくKanji details for 約Edit in JMdict Adverb (fukushi)1. approximately; aboutNoun2. promise; appointment; engagementNoun3. shortening; reduction; simplificationNoun4. contraction (in phonetics)Linguistics, See also 約音 Discussions Log in to talk about this word.