slack off slackness • slacks · · · Info · Definitions · Synonyms · Characters · · slack off · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (verb) become less in amount or intensity. Synonyms: abate, let up, slack off, slack, die away. Examples: "The storm abated." "The rain let up after a few hours." · · Verb Definition 1 Synonyms · · · abate · · Synonym 1 let up · · Synonym 2 slack · · Synonym 3 die away · · Synonym 4 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 f latin small letter f U+0066 k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073