Arti kata slack up 7 huruf Bahasa Inggris 🔊 Dengarkan ↗ Bagikan Definition of slack up (English) verb make less active or fast He slackened his pace as he got tired Don't relax your efforts now Terjemahkan ke Indonesia sumber: wordnet30 Kata terkait Kata sebelumnyaslabbyslabsidedslackslack offslack suitslack tide Kata sesudahnyaslack waterslackenslacken offslackerslacking