سستی (اسم)
abulia , weakness , laxity , indolence , frailty , asthenia , acedia , lassitude , laxation , relaxation , debility , impuissance , atony , inactivity , droop , feeble-mindedness , flaccidity , phlegm , sloth , limpness , slothfulness
رخوت (اسم)
indolence , acedia , lethargy , paralysis , lassitude , laxation