LOOSENESS Meaning of LOOSENESS in English n. 1.Slackness, easiness.2.Laxity, levity.3.Irregularity.4.Lewdness, unchastity, wantonness, wickedness.5.Diarrhoea, flux, laxity.6.Openness, laxity. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012