1) Appetence 2) Appetency 3) Appetite 4) Appetitive 5) Dependence 6) Desire 7) Habit 8) Hunger 9) Itch 10) Lust 11) Need 12) Thirst 13) Urge 14) Wish 15) Yen 1) Desire 2) Drug rehabilitation 3) Great desire 4) Great or eager desire 5) Thirst 6) Yearning 
[withdrawal] When going through withdrawal, craving is a psychological urge to administer a discontinued medication or recreational drug. ==Duration== The duration that cravings last after discontinuation varies substantially between different addictive drugs. For instance, in smoking cessation, a substantial relief is achieved after approx...
• (p pr. & vb. n.) of Crave • (n.) Vehement or urgent desire; longing for; beseeching.
Crav'ing noun Vehement or urgent desire; longing for; beseeching. « A succession of cravings and satiety. L'Estrange. » -- 
Type: Term Pronunciation: krāv′ing Definitions: 1. The desire for more of a substance or activity (drug of abuse, sex) consisting of a desire to experience the euphoric (or other) effects, as well as the desire to avoid the withdrawal aspects of abstinence.
A craving is a powerful, often uncontrollable urge for a particular thing.
[n] - an intense desire for some particular thing
noun an intense desire for some particular thing
great or eager desire; yearning.