slack off meaning
UK /slæk ɒf/ US /slæk ɔf/ 2 syllables
slack off (verb): become less in amount or intensity.
Definition of slack off
How to pronounce slack off
slack off is pronounced /slæk ɒf/ in British English and /slæk ɔf/ in American English. It has 2 syllables.
More about slack off on Wikipedia.