Need -
compulsion, demand, desperate, devoir, extremity, impatient longing, must, urge, urgency / desire, appetite, avid, burn, craving, eagerness, fascination, greed, hunger, insatiable, longing, lust, taste, thirst, voracious, want, yearning, ache, addiction, aspiration, desire, fever, fixation, hankering, hope, impulse, inclination, infatuation, itch, obsession, passion, pining, wish, yen