Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb slack_off
1 sense of slack off
Sense 1
abate, let up, slack off, slack, die away -- (become less in amount or intensity; "The storm abated"; "The rain let up after a few hours")
=> decrease, diminish, lessen, fall -- (decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper")