Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb slacken_off
1 sense of slacken off
Sense 1
ease up, ease off, slacken off, flag -- (become less intense)
=> 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")