lax·ity /ˈlæksəti/
  徐緩,鬆弛,散慢
  lax·i·ty /ˈlæksətɪ/ 名詞
  輕瀉性,松馳,疏忽,粗心
  Lax·i·ty n.  The state or quality of being lax; lack of tenseness, strictness, or exactness.
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  laxity
       n : the quality of being lax and neglectful [syn: laxness, remissness]