I. ˈləst noun
Etymology: Middle English, from Old English; akin to Old High German lust pleasure and perhaps to Latin lascivus wanton
Date: before 12th century
1. obsolete
a. : pleasure , delight
b. : personal inclination : wish
2. : usually intense or unbridled sexual desire : lasciviousness
3.
a. : an intense longing : craving
a lust to succeed
b. : enthusiasm , eagerness
admired his lust for life
II. intransitive verb
Date: 12th century
: to have an intense desire or need : crave ; specifically : to have a sexual urge