slack tide slack suit • slack-twisted · · · Info · Definitions · Synonyms · Characters · · slack tide · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) the occurrence of relatively still water at the turn of the (low) tide. Synonyms: slack water, slack tide. · · Noun Definition 1 Synonyms · · · slack water · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074